23220031049 has 2 divisors, whose sum is σ = 23220031050. Its totient is φ = 23220031048.

The previous prime is 23220031039. The next prime is 23220031057. The reversal of 23220031049 is 94013002232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11860734649 + 11359296400 = 108907^2 + 106580^2 .

It is a cyclic number.

It is not a de Polignac number, because 23220031049 - 2⁴ = 23220031033 is a prime.

It is not a weakly prime, because it can be changed into another prime (23220031019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610015524 + 11610015525.

It is an arithmetic number, because the mean of its divisors is an integer number (11610015525).

Almost surely, 2^23220031049 is an apocalyptic number.

It is an amenable number.

23220031049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23220031049 is an equidigital number, since it uses as much as digits as its factorization.

23220031049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 23220031049 in words is "twenty-three billion, two hundred twenty million, thirty-one thousand, forty-nine".