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123340430004 = 22311172910631783
BaseRepresentation
bin111001011011110101…
…0011001101010110100
3102210100210210001000020
41302313222121222310
54010100122230004
6132354541245140
711624330233251
oct1626752315264
9383323701006
10123340430004
1148343503680
121baa25637b0
13b828283b7c
145d80c48428
15331d3928d9
hex1cb7a99ab4

123340430004 has 192 divisors, whose sum is σ = 344405053440. Its totient is φ = 33913313280.

The previous prime is 123340429981. The next prime is 123340430023. The reversal of 123340430004 is 400034043321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69174897 + ... + 69176679.

It is an arithmetic number, because the mean of its divisors is an integer number (1793776320).

Almost surely, 2123340430004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123340430004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172202526720).

123340430004 is an abundant number, since it is smaller than the sum of its proper divisors (221064623436).

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

123340430004 is a wasteful number, since it uses less digits than its factorization.

123340430004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910 (or 2908 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 123340430004 its reverse (400034043321), we get a palindrome (523374473325).

The spelling of 123340430004 in words is "one hundred twenty-three billion, three hundred forty million, four hundred thirty thousand, four".