22023230993 has 2 divisors, whose sum is σ = 22023230994. Its totient is φ = 22023230992.

The previous prime is 22023230989. The next prime is 22023231067. The reversal of 22023230993 is 39903232022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21970057729 + 53173264 = 148223^2 + 7292^2 .

It is a cyclic number.

It is not a de Polignac number, because 22023230993 - 2² = 22023230989 is a prime.

It is not a weakly prime, because it can be changed into another prime (22023232993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011615496 + 11011615497.

It is an arithmetic number, because the mean of its divisors is an integer number (11011615497).

Almost surely, 2^22023230993 is an apocalyptic number.

It is an amenable number.

22023230993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22023230993 is an equidigital number, since it uses as much as digits as its factorization.

22023230993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 22023230993 in words is "twenty-two billion, twenty-three million, two hundred thirty thousand, nine hundred ninety-three".