23038539 has 4 divisors (see below), whose sum is σ = 30718056. Its totient is φ = 15359024.

The previous prime is 23038513. The next prime is 23038573. The reversal of 23038539 is 93583032.

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 23038539 - 2⁹ = 23038027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23038579) 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, 3839754 + ... + 3839759.

It is an arithmetic number, because the mean of its divisors is an integer number (7679514).

Almost surely, 2^23038539 is an apocalyptic number.

23038539 is a deficient number, since it is larger than the sum of its proper divisors (7679517).

23038539 is an equidigital number, since it uses as much as digits as its factorization.

23038539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7679516.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 23038539 is about 4799.8478100873. The cubic root of 23038539 is about 284.5454496243.

The spelling of 23038539 in words is "twenty-three million, thirty-eight thousand, five hundred thirty-nine".