23023121330 has 24 divisors (see below), whose sum is σ = 45551533356. Its totient is φ = 8372043680.

The previous prime is 23023121327. The next prime is 23023121377. The reversal of 23023121330 is 3312132032.

It can be written as a sum of positive squares in 2 ways, for example, as 22780166761 + 242954569 = 150931^2 + 15587^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9512477 + ... + 9514896.

Almost surely, 2^23023121330 is an apocalyptic number.

23023121330 is a deficient number, since it is larger than the sum of its proper divisors (22528412026).

23023121330 is a wasteful number, since it uses less digits than its factorization.

23023121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19027402 (or 19027391 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23023121330 its reverse (3312132032), we get a palindrome (26335253362).

The spelling of 23023121330 in words is "twenty-three billion, twenty-three million, one hundred twenty-one thousand, three hundred thirty".