23728093 has 4 divisors (see below), whose sum is σ = 24976960. Its totient is φ = 22479228.

The previous prime is 23728069. The next prime is 23728099. The reversal of 23728093 is 39082732.

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 23728093 - 2¹³ = 23719901 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 (23728099) 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, 624405 + ... + 624442.

It is an arithmetic number, because the mean of its divisors is an integer number (6244240).

Almost surely, 2^23728093 is an apocalyptic number.

It is an amenable number.

23728093 is a deficient number, since it is larger than the sum of its proper divisors (1248867).

23728093 is a wasteful number, since it uses less digits than its factorization.

23728093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248866.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 23728093 is about 4871.1490430903. The cubic root of 23728093 is about 287.3564470484.

The spelling of 23728093 in words is "twenty-three million, seven hundred twenty-eight thousand, ninety-three".