323023431 has 32 divisors (see below), whose sum is σ = 477596160. Its totient is φ = 193463424.

The previous prime is 323023411. The next prime is 323023451. The reversal of 323023431 is 134320323.

It is an interprime number because it is at equal distance from previous prime (323023411) and next prime (323023451).

It is not a de Polignac number, because 323023431 - 2¹¹ = 323021383 is a prime.

It is a super-2 number, since 2×323023431² = 208688273950023522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323023398 and 323023407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323023411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71856 + ... + 76218.

It is an arithmetic number, because the mean of its divisors is an integer number (14924880).

Almost surely, 2^323023431 is an apocalyptic number.

323023431 is a deficient number, since it is larger than the sum of its proper divisors (154572729).

323023431 is a wasteful number, since it uses less digits than its factorization.

323023431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 323023431 is about 17972.8526116474. The cubic root of 323023431 is about 686.1377940043.

Adding to 323023431 its reverse (134320323), we get a palindrome (457343754).

The spelling of 323023431 in words is "three hundred twenty-three million, twenty-three thousand, four hundred thirty-one".