23472123857 has 16 divisors (see below), whose sum is σ = 29012780160. Its totient is φ = 18491628672.

The previous prime is 23472123817. The next prime is 23472123863. The reversal of 23472123857 is 75832127432.

It is a cyclic number.

It is not a de Polignac number, because 23472123857 - 2¹² = 23472119761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23472123817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532307 + ... + 574712.

It is an arithmetic number, because the mean of its divisors is an integer number (1813298760).

Almost surely, 2^23472123857 is an apocalyptic number.

It is an amenable number.

23472123857 is a deficient number, since it is larger than the sum of its proper divisors (5540656303).

23472123857 is a wasteful number, since it uses less digits than its factorization.

23472123857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107272.

The product of its digits is 564480, while the sum is 44.

The spelling of 23472123857 in words is "twenty-three billion, four hundred seventy-two million, one hundred twenty-three thousand, eight hundred fifty-seven".