531276923 has 2 divisors, whose sum is σ = 531276924. Its totient is φ = 531276922.

The previous prime is 531276901. The next prime is 531276943. The reversal of 531276923 is 329672135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531276923 - 2²⁴ = 514499707 is a prime.

It is not a weakly prime, because it can be changed into another prime (531276943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265638461 + 265638462.

It is an arithmetic number, because the mean of its divisors is an integer number (265638462).

Almost surely, 2^531276923 is an apocalyptic number.

531276923 is a deficient number, since it is larger than the sum of its proper divisors (1).

531276923 is an equidigital number, since it uses as much as digits as its factorization.

531276923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 531276923 is about 23049.4451777044. The cubic root of 531276923 is about 809.9166316676.

The spelling of 531276923 in words is "five hundred thirty-one million, two hundred seventy-six thousand, nine hundred twenty-three".