319272923 has 2 divisors, whose sum is σ = 319272924. Its totient is φ = 319272922.

The previous prime is 319272887. The next prime is 319272929. The reversal of 319272923 is 329272913.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 319272923 - 2⁶ = 319272859 is a prime.

It is not a weakly prime, because it can be changed into another prime (319272929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159636461 + 159636462.

It is an arithmetic number, because the mean of its divisors is an integer number (159636462).

Almost surely, 2^319272923 is an apocalyptic number.

319272923 is a deficient number, since it is larger than the sum of its proper divisors (1).

319272923 is an equidigital number, since it uses as much as digits as its factorization.

319272923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 38.

The square root of 319272923 is about 17868.2098431824. The cubic root of 319272923 is about 683.4719507539.

The spelling of 319272923 in words is "three hundred nineteen million, two hundred seventy-two thousand, nine hundred twenty-three".