23020032313 has 4 divisors (see below), whose sum is σ = 23231225380. Its totient is φ = 22808839248.

The previous prime is 23020032311. The next prime is 23020032377. The reversal of 23020032313 is 31323002032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11191947264 + 11828085049 = 105792^2 + 108757^2 .

It is a cyclic number.

It is not a de Polignac number, because 23020032313 - 2¹ = 23020032311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23020032311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105596370 + ... + 105596587.

It is an arithmetic number, because the mean of its divisors is an integer number (5807806345).

Almost surely, 2^23020032313 is an apocalyptic number.

It is an amenable number.

23020032313 is a deficient number, since it is larger than the sum of its proper divisors (211193067).

23020032313 is a wasteful number, since it uses less digits than its factorization.

23020032313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211193066.

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

Adding to 23020032313 its reverse (31323002032), we get a palindrome (54343034345).

The spelling of 23020032313 in words is "twenty-three billion, twenty million, thirty-two thousand, three hundred thirteen".