2800123431 has 48 divisors (see below), whose sum is σ = 4723133184. Its totient is φ = 1440375552.

The previous prime is 2800123411. The next prime is 2800123451. The reversal of 2800123431 is 1343210082.

It is an interprime number because it is at equal distance from previous prime (2800123411) and next prime (2800123451).

It is not a de Polignac number, because 2800123431 - 2¹⁷ = 2799992359 is a prime.

It is a super-2 number, since 2×2800123431² = 15681382457670423522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2800123411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181440 + ... + 196266.

It is an arithmetic number, because the mean of its divisors is an integer number (98398608).

Almost surely, 2^2800123431 is an apocalyptic number.

2800123431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2800123431 is a deficient number, since it is larger than the sum of its proper divisors (1923009753).

2800123431 is a wasteful number, since it uses less digits than its factorization.

2800123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14900 (or 14877 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2800123431 is about 52916.1925217603. The cubic root of 2800123431 is about 1409.4804569451.

The spelling of 2800123431 in words is "two billion, eight hundred million, one hundred twenty-three thousand, four hundred thirty-one".