23021204122 has 32 divisors (see below), whose sum is σ = 40551700608. Its totient is φ = 9594801216.

The previous prime is 23021204117. The next prime is 23021204123. The reversal of 23021204122 is 22140212032.

It is a self number, because there is not a number n which added to its sum of digits gives 23021204122.

It is not an unprimeable number, because it can be changed into a prime (23021204123) 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, 1148833 + ... + 1168699.

It is an arithmetic number, because the mean of its divisors is an integer number (1267240644).

Almost surely, 2^23021204122 is an apocalyptic number.

23021204122 is a deficient number, since it is larger than the sum of its proper divisors (17530496486).

23021204122 is a wasteful number, since it uses less digits than its factorization.

23021204122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22150.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23021204122 its reverse (22140212032), we get a palindrome (45161416154).

The spelling of 23021204122 in words is "twenty-three billion, twenty-one million, two hundred four thousand, one hundred twenty-two".