23748997 has 2 divisors, whose sum is σ = 23748998. Its totient is φ = 23748996.

The previous prime is 23748973. The next prime is 23749009. The reversal of 23748997 is 79984732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23512801 + 236196 = 4849^2 + 486^2 .

It is a cyclic number.

It is not a de Polignac number, because 23748997 - 2⁷ = 23748869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23748997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23748097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11874498 + 11874499.

It is an arithmetic number, because the mean of its divisors is an integer number (11874499).

Almost surely, 2^23748997 is an apocalyptic number.

It is an amenable number.

23748997 is a deficient number, since it is larger than the sum of its proper divisors (1).

23748997 is an equidigital number, since it uses as much as digits as its factorization.

23748997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 49.

The square root of 23748997 is about 4873.2942656893. The cubic root of 23748997 is about 287.4408074736.

The spelling of 23748997 in words is "twenty-three million, seven hundred forty-eight thousand, nine hundred ninety-seven".