23133121330 has 32 divisors (see below), whose sum is σ = 45606068928. Its totient is φ = 8378520000.

The previous prime is 23133121327. The next prime is 23133121367. The reversal of 23133121330 is 3312133132.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391317 + ... + 446536.

It is an arithmetic number, because the mean of its divisors is an integer number (1425189654).

Almost surely, 2^23133121330 is an apocalyptic number.

23133121330 is a deficient number, since it is larger than the sum of its proper divisors (22472947598).

23133121330 is a wasteful number, since it uses less digits than its factorization.

23133121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838122.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23133121330 its reverse (3312133132), we get a palindrome (26445254462).

The spelling of 23133121330 in words is "twenty-three billion, one hundred thirty-three million, one hundred twenty-one thousand, three hundred thirty".