23331020369 has 2 divisors, whose sum is σ = 23331020370. Its totient is φ = 23331020368.

The previous prime is 23331020291. The next prime is 23331020399. The reversal of 23331020369 is 96302013332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20252989969 + 3078030400 = 142313^2 + 55480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23331020369 is a prime.

It is a super-2 number, since 2×23331020369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23331020399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665510184 + 11665510185.

It is an arithmetic number, because the mean of its divisors is an integer number (11665510185).

Almost surely, 2^23331020369 is an apocalyptic number.

It is an amenable number.

23331020369 is a deficient number, since it is larger than the sum of its proper divisors (1).

23331020369 is an equidigital number, since it uses as much as digits as its factorization.

23331020369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 32.

The spelling of 23331020369 in words is "twenty-three billion, three hundred thirty-one million, twenty thousand, three hundred sixty-nine".