23871342990 has 32 divisors (see below), whose sum is σ = 62499517056. Its totient is φ = 5786992160.

The previous prime is 23871342983. The next prime is 23871343003. The reversal of 23871342990 is 9924317832.

It is a super-2 number, since 2×23871342990² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36168372 + ... + 36169031.

It is an arithmetic number, because the mean of its divisors is an integer number (1953109908).

Almost surely, 2^23871342990 is an apocalyptic number.

23871342990 is an abundant number, since it is smaller than the sum of its proper divisors (38628174066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23871342990 is a wasteful number, since it uses less digits than its factorization.

23871342990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72337424.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 23871342990 in words is "twenty-three billion, eight hundred seventy-one million, three hundred forty-two thousand, nine hundred ninety".