23789493 has 48 divisors (see below), whose sum is σ = 43703296. Its totient is φ = 12130560.

The previous prime is 23789419. The next prime is 23789497. The reversal of 23789493 is 39498732.

It is a happy number.

It is not a de Polignac number, because 23789493 - 2⁹ = 23788981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23789497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24921 + ... + 25857.

Almost surely, 2^23789493 is an apocalyptic number.

It is an amenable number.

23789493 is a deficient number, since it is larger than the sum of its proper divisors (19913803).

23789493 is a wasteful number, since it uses less digits than its factorization.

23789493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 991 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 23789493 is about 4877.4473856721. The cubic root of 23789493 is about 287.6040928682.

The spelling of 23789493 in words is "twenty-three million, seven hundred eighty-nine thousand, four hundred ninety-three".