23450522021 has 4 divisors (see below), whose sum is σ = 23548641600. Its totient is φ = 23352402444.

The previous prime is 23450522003. The next prime is 23450522033. The reversal of 23450522021 is 12022505432.

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 23450522021 - 2⁶ = 23450521957 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 (23450527021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49059431 + ... + 49059908.

It is an arithmetic number, because the mean of its divisors is an integer number (5887160400).

Almost surely, 2^23450522021 is an apocalyptic number.

It is an amenable number.

23450522021 is a deficient number, since it is larger than the sum of its proper divisors (98119579).

23450522021 is an equidigital number, since it uses as much as digits as its factorization.

23450522021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98119578.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 23450522021 in words is "twenty-three billion, four hundred fifty million, five hundred twenty-two thousand, twenty-one".