23038549 has 4 divisors (see below), whose sum is σ = 23781760. Its totient is φ = 22295340.

The previous prime is 23038513. The next prime is 23038573. The reversal of 23038549 is 94583032.

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 23038549 - 2²¹ = 20941397 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

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, 371559 + ... + 371620.

It is an arithmetic number, because the mean of its divisors is an integer number (5945440).

Almost surely, 2^23038549 is an apocalyptic number.

It is an amenable number.

23038549 is a deficient number, since it is larger than the sum of its proper divisors (743211).

23038549 is an equidigital number, since it uses as much as digits as its factorization.

23038549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743210.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 23038549 is about 4799.8488517869. The cubic root of 23038549 is about 284.5454907938.

The spelling of 23038549 in words is "twenty-three million, thirty-eight thousand, five hundred forty-nine".