23762857497 has 4 divisors (see below), whose sum is σ = 31683810000. Its totient is φ = 15841904996.

The previous prime is 23762857487. The next prime is 23762857507. The reversal of 23762857497 is 79475826732.

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 an interprime number because it is at equal distance from previous prime (23762857487) and next prime (23762857507).

It is a cyclic number.

It is not a de Polignac number, because 23762857497 - 2¹⁰ = 23762856473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23762857497.

It is not an unprimeable number, because it can be changed into a prime (23762857457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3960476247 + ... + 3960476252.

It is an arithmetic number, because the mean of its divisors is an integer number (7920952500).

Almost surely, 2^23762857497 is an apocalyptic number.

It is an amenable number.

23762857497 is a deficient number, since it is larger than the sum of its proper divisors (7920952503).

23762857497 is an equidigital number, since it uses as much as digits as its factorization.

23762857497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920952502.

The product of its digits is 35562240, while the sum is 60.

The spelling of 23762857497 in words is "twenty-three billion, seven hundred sixty-two million, eight hundred fifty-seven thousand, four hundred ninety-seven".