23213122023 has 16 divisors (see below), whose sum is σ = 38093328896. Its totient is φ = 12244284000.

The previous prime is 23213122019. The next prime is 23213122043. The reversal of 23213122023 is 32022131232.

It is a happy number.

It is not a de Polignac number, because 23213122023 - 2² = 23213122019 is a prime.

It is a super-2 number, since 2×23213122023² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213122003) 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 15 ways as a sum of consecutive naturals, for example, 42514603 + ... + 42515148.

It is an arithmetic number, because the mean of its divisors is an integer number (2380833056).

Almost surely, 2^23213122023 is an apocalyptic number.

23213122023 is a deficient number, since it is larger than the sum of its proper divisors (14880206873).

23213122023 is a wasteful number, since it uses less digits than its factorization.

23213122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85029774.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23213122023 its reverse (32022131232), we get a palindrome (55235253255).

The spelling of 23213122023 in words is "twenty-three billion, two hundred thirteen million, one hundred twenty-two thousand, twenty-three".