23476043857 has 16 divisors (see below), whose sum is σ = 28152714240. Its totient is φ = 19139888592.

The previous prime is 23476043831. The next prime is 23476043873. The reversal of 23476043857 is 75834067432.

It is a cyclic number.

It is not a de Polignac number, because 23476043857 - 2⁷ = 23476043729 is a prime.

It is a super-2 number, since 2×23476043857² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23476043857.

It is not an unprimeable number, because it can be changed into a prime (23476043057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378483 + ... + 436120.

It is an arithmetic number, because the mean of its divisors is an integer number (1759544640).

Almost surely, 2^23476043857 is an apocalyptic number.

It is an amenable number.

23476043857 is a deficient number, since it is larger than the sum of its proper divisors (4676670383).

23476043857 is a wasteful number, since it uses less digits than its factorization.

23476043857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814812.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 23476043857 in words is "twenty-three billion, four hundred seventy-six million, forty-three thousand, eight hundred fifty-seven".