23015201497 has 2 divisors, whose sum is σ = 23015201498. Its totient is φ = 23015201496.

The previous prime is 23015201369. The next prime is 23015201527. The reversal of 23015201497 is 79410251032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22259446416 + 755755081 = 149196^2 + 27491^2 .

It is a cyclic number.

It is not a de Polignac number, because 23015201497 - 2⁷ = 23015201369 is a prime.

It is a super-2 number, since 2×23015201497² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23015201897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11507600748 + 11507600749.

It is an arithmetic number, because the mean of its divisors is an integer number (11507600749).

Almost surely, 2^23015201497 is an apocalyptic number.

It is an amenable number.

23015201497 is a deficient number, since it is larger than the sum of its proper divisors (1).

23015201497 is an equidigital number, since it uses as much as digits as its factorization.

23015201497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 23015201497 in words is "twenty-three billion, fifteen million, two hundred one thousand, four hundred ninety-seven".