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23400124203400 = 23527295691012931
BaseRepresentation
bin1010101001000010001000…
…00101110100000110001000
310001212000210220000100010121
411110201010011310012020
511031341423244002100
6121433511343553024
74633413614626030
oct524410405640610
9101760726010117
1023400124203400
117501a34088a4a
12275b1262bb774
1310098120bb1b9
145ac801a088c0
152a8a56d5951a
hex154844174188

23400124203400 has 192 divisors, whose sum is σ = 64434630384000. Its totient is φ = 7732626585600.

The previous prime is 23400124203377. The next prime is 23400124203461. The reversal of 23400124203400 is 430242100432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22594935 + ... + 23607865.

It is an arithmetic number, because the mean of its divisors is an integer number (335597033250).

Almost surely, 223400124203400 is an apocalyptic number.

23400124203400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23400124203400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32217315192000).

23400124203400 is an abundant number, since it is smaller than the sum of its proper divisors (41034506180600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23400124203400 is a wasteful number, since it uses less digits than its factorization.

23400124203400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013552 (or 1013543 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 23400124203400 its reverse (430242100432), we get a palindrome (23830366303832).

The spelling of 23400124203400 in words is "twenty-three trillion, four hundred billion, one hundred twenty-four million, two hundred three thousand, four hundred".