23133031110 has 128 divisors (see below), whose sum is σ = 72775065600. Its totient is φ = 5116970880.

The previous prime is 23133031099. The next prime is 23133031123. The reversal of 23133031110 is 1113033132.

It is a happy number.

23133031110 is a `hidden beast` number, since 2 + 313 + 30 + 311 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138825 + ... + 256004.

It is an arithmetic number, because the mean of its divisors is an integer number (568555200).

Almost surely, 2^23133031110 is an apocalyptic number.

23133031110 is an abundant number, since it is smaller than the sum of its proper divisors (49642034490).

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

23133031110 is a wasteful number, since it uses less digits than its factorization.

23133031110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394883 (or 394877 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 23133031110 its reverse (1113033132), we get a palindrome (24246064242).

The spelling of 23133031110 in words is "twenty-three billion, one hundred thirty-three million, thirty-one thousand, one hundred ten".