23872649423 has 16 divisors (see below), whose sum is σ = 27846604800. Its totient is φ = 20457287928.

The previous prime is 23872649413. The next prime is 23872649431. The reversal of 23872649423 is 32494627832.

It is not a de Polignac number, because 23872649423 - 2¹² = 23872645327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23872649413) 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, 2390186 + ... + 2400152.

It is an arithmetic number, because the mean of its divisors is an integer number (1740412800).

Almost surely, 2^23872649423 is an apocalyptic number.

23872649423 is a deficient number, since it is larger than the sum of its proper divisors (3973955377).

23872649423 is an frugal number, since it uses more digits than its factorization.

23872649423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16971 (or 16957 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 50.

The spelling of 23872649423 in words is "twenty-three billion, eight hundred seventy-two million, six hundred forty-nine thousand, four hundred twenty-three".