872372143 has 2 divisors, whose sum is σ = 872372144. Its totient is φ = 872372142.

The previous prime is 872372107. The next prime is 872372161. The reversal of 872372143 is 341273278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 872372143 - 2²⁵ = 838817711 is a prime.

It is a super-2 number, since 2×872372143² = 1522066311764824898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872372173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436186071 + 436186072.

It is an arithmetic number, because the mean of its divisors is an integer number (436186072).

Almost surely, 2^872372143 is an apocalyptic number.

872372143 is a deficient number, since it is larger than the sum of its proper divisors (1).

872372143 is an equidigital number, since it uses as much as digits as its factorization.

872372143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 872372143 is about 29535.9466244101. The cubic root of 872372143 is about 955.5071246446.

The spelling of 872372143 in words is "eight hundred seventy-two million, three hundred seventy-two thousand, one hundred forty-three".