323125819 has 2 divisors, whose sum is σ = 323125820. Its totient is φ = 323125818.

The previous prime is 323125807. The next prime is 323125823. The reversal of 323125819 is 918521323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323125819 - 2⁵ = 323125787 is a prime.

It is a super-2 number, since 2×323125819² = 208820589808841522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323125519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161562909 + 161562910.

It is an arithmetic number, because the mean of its divisors is an integer number (161562910).

Almost surely, 2^323125819 is an apocalyptic number.

323125819 is a deficient number, since it is larger than the sum of its proper divisors (1).

323125819 is an equidigital number, since it uses as much as digits as its factorization.

323125819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 323125819 is about 17975.7007930150. The cubic root of 323125819 is about 686.2102808566.

The spelling of 323125819 in words is "three hundred twenty-three million, one hundred twenty-five thousand, eight hundred nineteen".