22731323 has 2 divisors, whose sum is σ = 22731324. Its totient is φ = 22731322.

The previous prime is 22731311. The next prime is 22731341. The reversal of 22731323 is 32313722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22731323 - 2⁶ = 22731259 is a prime.

It is not a weakly prime, because it can be changed into another prime (22739323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11365661 + 11365662.

It is an arithmetic number, because the mean of its divisors is an integer number (11365662).

Almost surely, 2^22731323 is an apocalyptic number.

22731323 is a deficient number, since it is larger than the sum of its proper divisors (1).

22731323 is an equidigital number, since it uses as much as digits as its factorization.

22731323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 23.

The square root of 22731323 is about 4767.7377234911. The cubic root of 22731323 is about 283.2749931401.

The spelling of 22731323 in words is "twenty-two million, seven hundred thirty-one thousand, three hundred twenty-three".