23747453877 has 16 divisors (see below), whose sum is σ = 36245648000. Its totient is φ = 13547829312.

The previous prime is 23747453857. The next prime is 23747453879. The reversal of 23747453877 is 77835474732.

It is not a de Polignac number, because 23747453877 - 2¹⁰ = 23747452853 is a prime.

It is a super-2 number, since 2×23747453877² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23747453879) 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, 909502 + ... + 935247.

It is an arithmetic number, because the mean of its divisors is an integer number (2265353000).

Almost surely, 2^23747453877 is an apocalyptic number.

It is an amenable number.

23747453877 is a deficient number, since it is larger than the sum of its proper divisors (12498194123).

23747453877 is a wasteful number, since it uses less digits than its factorization.

23747453877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845372.

The product of its digits is 27659520, while the sum is 57.

The spelling of 23747453877 in words is "twenty-three billion, seven hundred forty-seven million, four hundred fifty-three thousand, eight hundred seventy-seven".