20232313 has 2 divisors, whose sum is σ = 20232314. Its totient is φ = 20232312.

The previous prime is 20232301. The next prime is 20232319. The reversal of 20232313 is 31323202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19333609 + 898704 = 4397^2 + 948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20232313 is a prime.

It is not a weakly prime, because it can be changed into another prime (20232319) 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 as a sum of consecutive naturals, namely, 10116156 + 10116157.

It is an arithmetic number, because the mean of its divisors is an integer number (10116157).

Almost surely, 2^20232313 is an apocalyptic number.

It is an amenable number.

20232313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232313 is an equidigital number, since it uses as much as digits as its factorization.

20232313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 20232313 is about 4498.0343484682. The cubic root of 20232313 is about 272.4887092368.

Adding to 20232313 its reverse (31323202), we get a palindrome (51555515).

The spelling of 20232313 in words is "twenty million, two hundred thirty-two thousand, three hundred thirteen".