23123631234 has 64 divisors (see below), whose sum is σ = 53448740352. Its totient is φ = 6591340800.

The previous prime is 23123631169. The next prime is 23123631241. The reversal of 23123631234 is 43213632132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2539029 + ... + 2548119.

It is an arithmetic number, because the mean of its divisors is an integer number (835136568).

Almost surely, 2^23123631234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23123631234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26724370176).

23123631234 is an abundant number, since it is smaller than the sum of its proper divisors (30325109118).

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

23123631234 is a wasteful number, since it uses less digits than its factorization.

23123631234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11391.

The product of its digits is 15552, while the sum is 30.

The spelling of 23123631234 in words is "twenty-three billion, one hundred twenty-three million, six hundred thirty-one thousand, two hundred thirty-four".