1873120231 has 4 divisors (see below), whose sum is σ = 1983303792. Its totient is φ = 1762936672.

The previous prime is 1873120211. The next prime is 1873120247. The reversal of 1873120231 is 1320213781.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1873120231 - 2⁷ = 1873120103 is a prime.

It is a super-2 number, since 2×1873120231² = 7017158799562986722, 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 1873120231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873120211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55091755 + ... + 55091788.

It is an arithmetic number, because the mean of its divisors is an integer number (495825948).

Almost surely, 2^1873120231 is an apocalyptic number.

1873120231 is a deficient number, since it is larger than the sum of its proper divisors (110183561).

1873120231 is a wasteful number, since it uses less digits than its factorization.

1873120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110183560.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1873120231 is about 43279.5590435023. The cubic root of 1873120231 is about 1232.6938185784.

The spelling of 1873120231 in words is "one billion, eight hundred seventy-three million, one hundred twenty thousand, two hundred thirty-one".