23913397 has 2 divisors, whose sum is σ = 23913398. Its totient is φ = 23913396.

The previous prime is 23913377. The next prime is 23913427. The reversal of 23913397 is 79331932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23872996 + 40401 = 4886^2 + 201^2 .

It is a cyclic number.

It is not a de Polignac number, because 23913397 - 2⁷ = 23913269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23913317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11956698 + 11956699.

It is an arithmetic number, because the mean of its divisors is an integer number (11956699).

Almost surely, 2^23913397 is an apocalyptic number.

It is an amenable number.

23913397 is a deficient number, since it is larger than the sum of its proper divisors (1).

23913397 is an equidigital number, since it uses as much as digits as its factorization.

23913397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 37.

The square root of 23913397 is about 4890.1326157887. The cubic root of 23913397 is about 288.1025427355.

It can be divided in two parts, 23913 and 397, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 23913397 in words is "twenty-three million, nine hundred thirteen thousand, three hundred ninety-seven".