23032011397 has 2 divisors, whose sum is σ = 23032011398. Its totient is φ = 23032011396.

The previous prime is 23032011389. The next prime is 23032011421. The reversal of 23032011397 is 79311023032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17280154116 + 5751857281 = 131454^2 + 75841^2 .

It is a cyclic number.

It is not a de Polignac number, because 23032011397 - 2³ = 23032011389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23032011367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11516005698 + 11516005699.

It is an arithmetic number, because the mean of its divisors is an integer number (11516005699).

Almost surely, 2^23032011397 is an apocalyptic number.

It is an amenable number.

23032011397 is a deficient number, since it is larger than the sum of its proper divisors (1).

23032011397 is an equidigital number, since it uses as much as digits as its factorization.

23032011397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 23032011397 in words is "twenty-three billion, thirty-two million, eleven thousand, three hundred ninety-seven".