23123221330 has 64 divisors (see below), whose sum is σ = 48199162752. Its totient is φ = 7893642240.

The previous prime is 23123221321. The next prime is 23123221367. The reversal of 23123221330 is 3312232132.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 726817 + ... + 757963.

It is an arithmetic number, because the mean of its divisors is an integer number (753111918).

Almost surely, 2^23123221330 is an apocalyptic number.

23123221330 is an abundant number, since it is smaller than the sum of its proper divisors (25075941422).

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

23123221330 is a wasteful number, since it uses less digits than its factorization.

23123221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31579.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23123221330 its reverse (3312232132), we get a palindrome (26435453462).

The spelling of 23123221330 in words is "twenty-three billion, one hundred twenty-three million, two hundred twenty-one thousand, three hundred thirty".