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23405112222253 = 130525117931503
BaseRepresentation
bin1010101001001011011010…
…11001100110001000101101
310001212111200111211221122121
411110211231121212020231
511031432132212103003
6121440054330312541
74633651333243036
oct524455531461055
9101774614757577
1023405112222253
117504063752383
122760098888751
13100a128613548
145acb5626ba8d
152a8c49be5cbd
hex15496d66622d

23405112222253 has 4 divisors (see below), whose sum is σ = 23405131459008. Its totient is φ = 23405092985500.

The previous prime is 23405112222251. The next prime is 23405112222259. The reversal of 23405112222253 is 35222221150432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23405112222253 - 21 = 23405112222251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23405112222251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7660501 + ... + 10271002.

It is an arithmetic number, because the mean of its divisors is an integer number (5851282864752).

Almost surely, 223405112222253 is an apocalyptic number.

It is an amenable number.

23405112222253 is a deficient number, since it is larger than the sum of its proper divisors (19236755).

23405112222253 is a wasteful number, since it uses less digits than its factorization.

23405112222253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19236754.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 23405112222253 its reverse (35222221150432), we get a palindrome (58627333372685).

The spelling of 23405112222253 in words is "twenty-three trillion, four hundred five billion, one hundred twelve million, two hundred twenty-two thousand, two hundred fifty-three".

Divisors: 1 1305251 17931503 23405112222253