1823231431 has 16 divisors (see below), whose sum is σ = 2210652160. Its totient is φ = 1468847520.

The previous prime is 1823231359. The next prime is 1823231437. The reversal of 1823231431 is 1341323281.

It is not a de Polignac number, because 1823231431 - 2²¹ = 1821134279 is a prime.

It is a super-2 number, since 2×1823231431² = 6648345701972615522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1823231431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1823231437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37080 + ... + 70861.

It is an arithmetic number, because the mean of its divisors is an integer number (138165760).

Almost surely, 2^1823231431 is an apocalyptic number.

1823231431 is a deficient number, since it is larger than the sum of its proper divisors (387420729).

1823231431 is a wasteful number, since it uses less digits than its factorization.

1823231431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108094.

The product of its digits is 3456, while the sum is 28.

The square root of 1823231431 is about 42699.3141748202. The cubic root of 1823231431 is about 1221.6513137761.

The spelling of 1823231431 in words is "one billion, eight hundred twenty-three million, two hundred thirty-one thousand, four hundred thirty-one".