12558783023 has 24 divisors (see below), whose sum is σ = 13252861440. Its totient is φ = 11887976880.

The previous prime is 12558783019. The next prime is 12558783043. The reversal of 12558783023 is 32038785521.

It is not a de Polignac number, because 12558783023 - 2² = 12558783019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12558783043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26892236 + ... + 26892702.

It is an arithmetic number, because the mean of its divisors is an integer number (552202560).

Almost surely, 2^12558783023 is an apocalyptic number.

12558783023 is a deficient number, since it is larger than the sum of its proper divisors (694078417).

12558783023 is an equidigital number, since it uses as much as digits as its factorization.

12558783023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 12558783023 in words is "twelve billion, five hundred fifty-eight million, seven hundred eighty-three thousand, twenty-three".