23138290830 has 32 divisors (see below), whose sum is σ = 55538187264. Its totient is φ = 6169512096.

The previous prime is 23138290829. The next prime is 23138290831. The reversal of 23138290830 is 3809283132.

It is an interprime number because it is at equal distance from previous prime (23138290829) and next prime (23138290831).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23138290831) 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, 260319 + ... + 337701.

It is an arithmetic number, because the mean of its divisors is an integer number (1735568352).

Almost surely, 2^23138290830 is an apocalyptic number.

23138290830 is an abundant number, since it is smaller than the sum of its proper divisors (32399896434).

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

23138290830 is a wasteful number, since it uses less digits than its factorization.

23138290830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87360.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 23138290830 in words is "twenty-three billion, one hundred thirty-eight million, two hundred ninety thousand, eight hundred thirty".