23405757435113 has 4 divisors (see below), whose sum is σ = 24782566696020. Its totient is φ = 22028948174208.

The previous prime is 23405757435107. The next prime is 23405757435161. The reversal of 23405757435113 is 31153475750432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14091712655449 + 9314044779664 = 3753893^2 + 3051892^2 .

It is a cyclic number.

It is not a de Polignac number, because 23405757435113 - 2²² = 23405753240809 is a prime.

It is a super-2 number, since 2×23405757435113² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23405757435103) 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, 688404630428 + ... + 688404630461.

It is an arithmetic number, because the mean of its divisors is an integer number (6195641674005).

Almost surely, 2^{23405757435113} is an apocalyptic number.

It is an amenable number.

23405757435113 is a deficient number, since it is larger than the sum of its proper divisors (1376809260907).

23405757435113 is a wasteful number, since it uses less digits than its factorization.

23405757435113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376809260906.

The product of its (nonzero) digits is 5292000, while the sum is 50.

The spelling of 23405757435113 in words is "twenty-three trillion, four hundred five billion, seven hundred fifty-seven million, four hundred thirty-five thousand, one hundred thirteen".