23958997 has 2 divisors, whose sum is σ = 23958998. Its totient is φ = 23958996.

The previous prime is 23958973. The next prime is 23959009. The reversal of 23958997 is 79985932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21771556 + 2187441 = 4666^2 + 1479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23958997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23958937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11979498 + 11979499.

It is an arithmetic number, because the mean of its divisors is an integer number (11979499).

Almost surely, 2^23958997 is an apocalyptic number.

It is an amenable number.

23958997 is a deficient number, since it is larger than the sum of its proper divisors (1).

23958997 is an equidigital number, since it uses as much as digits as its factorization.

23958997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 52.

The square root of 23958997 is about 4894.7928454634. The cubic root of 23958997 is about 288.2855522043.

The spelling of 23958997 in words is "twenty-three million, nine hundred fifty-eight thousand, nine hundred ninety-seven".