1807998023 has 12 divisors (see below), whose sum is σ = 1956414600. Its totient is φ = 1660953552.

The previous prime is 1807997987. The next prime is 1807998041. The reversal of 1807998023 is 3208997081.

It is not a de Polignac number, because 1807998023 - 2¹⁴ = 1807981639 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 (1807998923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 668528 + ... + 671226.

It is an arithmetic number, because the mean of its divisors is an integer number (163034550).

Almost surely, 2^1807998023 is an apocalyptic number.

1807998023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1807998023 is a deficient number, since it is larger than the sum of its proper divisors (148416577).

1807998023 is an equidigital number, since it uses as much as digits as its factorization.

1807998023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166 (or 2939 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 1807998023 is about 42520.5600033678. The cubic root of 1807998023 is about 1218.2394257461.

The spelling of 1807998023 in words is "one billion, eight hundred seven million, nine hundred ninety-eight thousand, twenty-three".