23144993 has 2 divisors, whose sum is σ = 23144994. Its totient is φ = 23144992.

The previous prime is 23144981. The next prime is 23145011. The reversal of 23144993 is 39944132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13454224 + 9690769 = 3668^2 + 3113^2 .

It is a cyclic number.

It is not a de Polignac number, because 23144993 - 2¹⁶ = 23079457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23144903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572496 + 11572497.

It is an arithmetic number, because the mean of its divisors is an integer number (11572497).

Almost surely, 2^23144993 is an apocalyptic number.

It is an amenable number.

23144993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23144993 is an equidigital number, since it uses as much as digits as its factorization.

23144993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 23144993 is about 4810.9243394591. The cubic root of 23144993 is about 284.9830419786.

The spelling of 23144993 in words is "twenty-three million, one hundred forty-four thousand, nine hundred ninety-three".