23406836857 has 16 divisors (see below), whose sum is σ = 24846838272. Its totient is φ = 22002678720.

The previous prime is 23406836797. The next prime is 23406836861. The reversal of 23406836857 is 75863860432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23406836857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23406836867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1728768 + ... + 1742254.

It is an arithmetic number, because the mean of its divisors is an integer number (1552927392).

Almost surely, 2^23406836857 is an apocalyptic number.

It is an amenable number.

23406836857 is a deficient number, since it is larger than the sum of its proper divisors (1440001415).

23406836857 is a wasteful number, since it uses less digits than its factorization.

23406836857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14808.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 23406836857 in words is "twenty-three billion, four hundred six million, eight hundred thirty-six thousand, eight hundred fifty-seven".