875531123 has 2 divisors, whose sum is σ = 875531124. Its totient is φ = 875531122.

The previous prime is 875531071. The next prime is 875531201. The reversal of 875531123 is 321135578.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 875531123 - 2⁸ = 875530867 is a prime.

It is a super-2 number, since 2×875531123² = 1533109494683282258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (875531023) 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 as a sum of consecutive naturals, namely, 437765561 + 437765562.

It is an arithmetic number, because the mean of its divisors is an integer number (437765562).

Almost surely, 2^875531123 is an apocalyptic number.

875531123 is a deficient number, since it is larger than the sum of its proper divisors (1).

875531123 is an equidigital number, since it uses as much as digits as its factorization.

875531123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 875531123 is about 29589.3751708278. The cubic root of 875531123 is about 956.6590763857.

The spelling of 875531123 in words is "eight hundred seventy-five million, five hundred thirty-one thousand, one hundred twenty-three".