23102333021 has 4 divisors (see below), whose sum is σ = 23107560672. Its totient is φ = 23097105372.

The previous prime is 23102332991. The next prime is 23102333041. The reversal of 23102333021 is 12033320132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23102333021 - 2¹⁸ = 23102070877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23102332984 and 23102333002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102333041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2607191 + ... + 2616036.

It is an arithmetic number, because the mean of its divisors is an integer number (5776890168).

Almost surely, 2^23102333021 is an apocalyptic number.

It is an amenable number.

23102333021 is a deficient number, since it is larger than the sum of its proper divisors (5227651).

23102333021 is an equidigital number, since it uses as much as digits as its factorization.

23102333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227650.

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

Adding to 23102333021 its reverse (12033320132), we get a palindrome (35135653153).

The spelling of 23102333021 in words is "twenty-three billion, one hundred two million, three hundred thirty-three thousand, twenty-one".