23483993 has 4 divisors (see below), whose sum is σ = 25290468. Its totient is φ = 21677520.

The previous prime is 23483983. The next prime is 23484007. The reversal of 23483993 is 39938432.

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 9406489 + 14077504 = 3067^2 + 3752^2 .

It is a cyclic number.

It is not a de Polignac number, because 23483993 - 2⁸ = 23483737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23483993.

It is not an unprimeable number, because it can be changed into a prime (23483923) 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 3 ways as a sum of consecutive naturals, for example, 903218 + ... + 903243.

It is an arithmetic number, because the mean of its divisors is an integer number (6322617).

Almost surely, 2^23483993 is an apocalyptic number.

It is an amenable number.

23483993 is a deficient number, since it is larger than the sum of its proper divisors (1806475).

23483993 is a wasteful number, since it uses less digits than its factorization.

23483993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806474.

The product of its digits is 139968, while the sum is 41.

The square root of 23483993 is about 4846.0285801881. The cubic root of 23483993 is about 286.3676665809.

The spelling of 23483993 in words is "twenty-three million, four hundred eighty-three thousand, nine hundred ninety-three".