23249943 has 8 divisors (see below), whose sum is σ = 34444400. Its totient is φ = 15499944.

The previous prime is 23249927. The next prime is 23249957. The reversal of 23249943 is 34994232.

It is not a de Polignac number, because 23249943 - 2⁴ = 23249927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23249898 and 23249907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23249983) 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 in 7 ways as a sum of consecutive naturals, for example, 430528 + ... + 430581.

It is an arithmetic number, because the mean of its divisors is an integer number (4305550).

Almost surely, 2^23249943 is an apocalyptic number.

23249943 is a deficient number, since it is larger than the sum of its proper divisors (11194457).

23249943 is an equidigital number, since it uses as much as digits as its factorization.

23249943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861118 (or 861112 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 23249943 is about 4821.8194698682. The cubic root of 23249943 is about 285.4131404280.

The spelling of 23249943 in words is "twenty-three million, two hundred forty-nine thousand, nine hundred forty-three".