25338923 has 4 divisors (see below), whose sum is σ = 25623720. Its totient is φ = 25054128.

The previous prime is 25338899. The next prime is 25338961. The reversal of 25338923 is 32983352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25338923 - 2⁸ = 25338667 is a prime.

It is a super-2 number, since 2×25338923² = 1284122037599858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25338623) 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, 142265 + ... + 142442.

It is an arithmetic number, because the mean of its divisors is an integer number (6405930).

Almost surely, 2^25338923 is an apocalyptic number.

25338923 is a deficient number, since it is larger than the sum of its proper divisors (284797).

25338923 is an equidigital number, since it uses as much as digits as its factorization.

25338923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284796.

The product of its digits is 38880, while the sum is 35.

The square root of 25338923 is about 5033.7782032982. The cubic root of 25338923 is about 293.7172030382.

The spelling of 25338923 in words is "twenty-five million, three hundred thirty-eight thousand, nine hundred twenty-three".