22031999323 has 2 divisors, whose sum is σ = 22031999324. Its totient is φ = 22031999322.

The previous prime is 22031999263. The next prime is 22031999329. The reversal of 22031999323 is 32399913022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22031999323 - 2⁹ = 22031998811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22031999323.

It is not a weakly prime, because it can be changed into another prime (22031999329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015999661 + 11015999662.

It is an arithmetic number, because the mean of its divisors is an integer number (11015999662).

Almost surely, 2^22031999323 is an apocalyptic number.

22031999323 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031999323 is an equidigital number, since it uses as much as digits as its factorization.

22031999323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 43.

The spelling of 22031999323 in words is "twenty-two billion, thirty-one million, nine hundred ninety-nine thousand, three hundred twenty-three".