23771313 has 10 divisors (see below), whose sum is σ = 35510354. Its totient is φ = 15847488.

The previous prime is 23771291. The next prime is 23771339. The reversal of 23771313 is 31317732.

It can be written as a sum of positive squares in only one way, i.e., 21233664 + 2537649 = 4608^2 + 1593^2 .

It is not a de Polignac number, because 23771313 - 2⁶ = 23771249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23701313) 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 9 ways as a sum of consecutive naturals, for example, 146656 + ... + 146817.

Almost surely, 2^23771313 is an apocalyptic number.

It is an amenable number.

23771313 is a deficient number, since it is larger than the sum of its proper divisors (11739041).

23771313 is an equidigital number, since it uses as much as digits as its factorization.

23771313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293485 (or 293476 counting only the distinct ones).

The product of its digits is 2646, while the sum is 27.

The square root of 23771313 is about 4875.5833497131. The cubic root of 23771313 is about 287.5308115686.

The spelling of 23771313 in words is "twenty-three million, seven hundred seventy-one thousand, three hundred thirteen".