23212455023 has 4 divisors (see below), whose sum is σ = 23437818768. Its totient is φ = 22987091280.

The previous prime is 23212454971. The next prime is 23212455031. The reversal of 23212455023 is 32055421232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23212455023 - 2⁸ = 23212454767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212455043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112681718 + ... + 112681923.

It is an arithmetic number, because the mean of its divisors is an integer number (5859454692).

Almost surely, 2^23212455023 is an apocalyptic number.

23212455023 is a deficient number, since it is larger than the sum of its proper divisors (225363745).

23212455023 is a wasteful number, since it uses less digits than its factorization.

23212455023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225363744.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 23212455023 its reverse (32055421232), we get a palindrome (55267876255).

The spelling of 23212455023 in words is "twenty-three billion, two hundred twelve million, four hundred fifty-five thousand, twenty-three".