23773493 has 4 divisors (see below), whose sum is σ = 24279360. Its totient is φ = 23267628.

The previous prime is 23773489. The next prime is 23773501. The reversal of 23773493 is 39437732.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23773493 - 2² = 23773489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23773403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252863 + ... + 252956.

It is an arithmetic number, because the mean of its divisors is an integer number (6069840).

Almost surely, 2^23773493 is an apocalyptic number.

It is an amenable number.

23773493 is a deficient number, since it is larger than the sum of its proper divisors (505867).

23773493 is an equidigital number, since it uses as much as digits as its factorization.

23773493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505866.

The product of its digits is 95256, while the sum is 38.

The square root of 23773493 is about 4875.8069075795. The cubic root of 23773493 is about 287.5396008462.

The spelling of 23773493 in words is "twenty-three million, seven hundred seventy-three thousand, four hundred ninety-three".