23487039475 has 6 divisors (see below), whose sum is σ = 29123928980. Its totient is φ = 18789631560.

The previous prime is 23487039431. The next prime is 23487039479. The reversal of 23487039475 is 57493078432.

It is not a de Polignac number, because 23487039475 - 2⁷ = 23487039347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23487039479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 469740765 + ... + 469740814.

Almost surely, 2^23487039475 is an apocalyptic number.

23487039475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23487039475 is a deficient number, since it is larger than the sum of its proper divisors (5636889505).

23487039475 is an equidigital number, since it uses as much as digits as its factorization.

23487039475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939481589 (or 939481584 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 23487039475 in words is "twenty-three billion, four hundred eighty-seven million, thirty-nine thousand, four hundred seventy-five".