23731273 has 2 divisors, whose sum is σ = 23731274. Its totient is φ = 23731272.

The previous prime is 23731271. The next prime is 23731289. The reversal of 23731273 is 37213732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12089529 + 11641744 = 3477^2 + 3412^2 .

It is a cyclic number.

It is not a de Polignac number, because 23731273 - 2¹ = 23731271 is a prime.

Together with 23731271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23731271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11865636 + 11865637.

It is an arithmetic number, because the mean of its divisors is an integer number (11865637).

Almost surely, 2^23731273 is an apocalyptic number.

It is an amenable number.

23731273 is a deficient number, since it is larger than the sum of its proper divisors (1).

23731273 is an equidigital number, since it uses as much as digits as its factorization.

23731273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 28.

The square root of 23731273 is about 4871.4754438466. The cubic root of 23731273 is about 287.3692834878.

The spelling of 23731273 in words is "twenty-three million, seven hundred thirty-one thousand, two hundred seventy-three".