23221311302 has 16 divisors (see below), whose sum is σ = 39811269120. Its totient is φ = 9951163848.

The previous prime is 23221311247. The next prime is 23221311319. The reversal of 23221311302 is 20311312232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124349 + ... + 248807.

It is an arithmetic number, because the mean of its divisors is an integer number (2488204320).

Almost surely, 2^23221311302 is an apocalyptic number.

23221311302 is a deficient number, since it is larger than the sum of its proper divisors (16589957818).

23221311302 is a wasteful number, since it uses less digits than its factorization.

23221311302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137795.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23221311302 its reverse (20311312232), we get a palindrome (43532623534).

The spelling of 23221311302 in words is "twenty-three billion, two hundred twenty-one million, three hundred eleven thousand, three hundred two".