23133221023 has 12 divisors (see below), whose sum is σ = 25866792504. Its totient is φ = 20517252800.

The previous prime is 23133221017. The next prime is 23133221051. The reversal of 23133221023 is 32012233132.

It is a de Polignac number, because none of the positive numbers 2^k-23133221023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23133220985 and 23133221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133221063) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 607036 + ... + 644017.

It is an arithmetic number, because the mean of its divisors is an integer number (2155566042).

Almost surely, 2^23133221023 is an apocalyptic number.

23133221023 is a deficient number, since it is larger than the sum of its proper divisors (2733571481).

23133221023 is a wasteful number, since it uses less digits than its factorization.

23133221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251146 (or 1251105 counting only the distinct ones).

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

Adding to 23133221023 its reverse (32012233132), we get a palindrome (55145454155).

The spelling of 23133221023 in words is "twenty-three billion, one hundred thirty-three million, two hundred twenty-one thousand, twenty-three".