323223031 has 2 divisors, whose sum is σ = 323223032. Its totient is φ = 323223030.

The previous prime is 323223013. The next prime is 323223037. The reversal of 323223031 is 130322323.

It is a happy number.

Together with previous prime (323223013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323223031 - 2²³ = 314834423 is a prime.

It is a super-2 number, since 2×323223031² = 208946255537653922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323223037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161611515 + 161611516.

It is an arithmetic number, because the mean of its divisors is an integer number (161611516).

Almost surely, 2^323223031 is an apocalyptic number.

323223031 is a deficient number, since it is larger than the sum of its proper divisors (1).

323223031 is an equidigital number, since it uses as much as digits as its factorization.

323223031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 323223031 is about 17978.4045732651. The cubic root of 323223031 is about 686.2790891261.

Adding to 323223031 its reverse (130322323), we get a palindrome (453545354).

It can be divided in two parts, 32322 and 3031, that added together give a palindrome (35353).

The spelling of 323223031 in words is "three hundred twenty-three million, two hundred twenty-three thousand, thirty-one".