23231501197 has 2 divisors, whose sum is σ = 23231501198. Its totient is φ = 23231501196.

The previous prime is 23231501179. The next prime is 23231501201. The reversal of 23231501197 is 79110513232.

Together with previous prime (23231501179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22553732041 + 677769156 = 150179^2 + 26034^2 .

It is a cyclic number.

It is not a de Polignac number, because 23231501197 - 2²³ = 23223112589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23231501177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615750598 + 11615750599.

It is an arithmetic number, because the mean of its divisors is an integer number (11615750599).

Almost surely, 2^23231501197 is an apocalyptic number.

It is an amenable number.

23231501197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231501197 is an equidigital number, since it uses as much as digits as its factorization.

23231501197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The spelling of 23231501197 in words is "twenty-three billion, two hundred thirty-one million, five hundred one thousand, one hundred ninety-seven".