23022021302993 has 4 divisors (see below), whose sum is σ = 23022758062500. Its totient is φ = 23021284543488.

The previous prime is 23022021302989. The next prime is 23022021303013. The reversal of 23022021302993 is 39920312022032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11310623218129 + 11711398084864 = 3363127^2 + 3422192^2 .

It is a cyclic number.

It is not a de Polignac number, because 23022021302993 - 2² = 23022021302989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23022021302953) 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, 368332880 + ... + 368395377.

It is an arithmetic number, because the mean of its divisors is an integer number (5755689515625).

Almost surely, 2^{23022021302993} is an apocalyptic number.

It is an amenable number.

23022021302993 is a deficient number, since it is larger than the sum of its proper divisors (736759507).

23022021302993 is an equidigital number, since it uses as much as digits as its factorization.

23022021302993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736759506.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 23022021302993 in words is "twenty-three trillion, twenty-two billion, twenty-one million, three hundred two thousand, nine hundred ninety-three".