23758317497 has 4 divisors (see below), whose sum is σ = 25008755280. Its totient is φ = 22507879716.

The previous prime is 23758317469. The next prime is 23758317523. The reversal of 23758317497 is 79471385732.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23758317497 - 2³⁴ = 6578448313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23758317467) 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 in 3 ways as a sum of consecutive naturals, for example, 625218863 + ... + 625218900.

It is an arithmetic number, because the mean of its divisors is an integer number (6252188820).

Almost surely, 2^23758317497 is an apocalyptic number.

It is an amenable number.

23758317497 is a deficient number, since it is larger than the sum of its proper divisors (1250437783).

23758317497 is a wasteful number, since it uses less digits than its factorization.

23758317497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250437782.

The product of its digits is 8890560, while the sum is 56.

The spelling of 23758317497 in words is "twenty-three billion, seven hundred fifty-eight million, three hundred seventeen thousand, four hundred ninety-seven".