23122039 has 4 divisors (see below), whose sum is σ = 23264056. Its totient is φ = 22980024.

The previous prime is 23122037. The next prime is 23122049. The reversal of 23122039 is 93022132.

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 23122039 - 2¹ = 23122037 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 (23122037) 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, 70764 + ... + 71089.

It is an arithmetic number, because the mean of its divisors is an integer number (5816014).

Almost surely, 2^23122039 is an apocalyptic number.

23122039 is a deficient number, since it is larger than the sum of its proper divisors (142017).

23122039 is a wasteful number, since it uses less digits than its factorization.

23122039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142016.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23122039 is about 4808.5381354420. The cubic root of 23122039 is about 284.8888003652. Note that the first 4 decimals are identical.

The spelling of 23122039 in words is "twenty-three million, one hundred twenty-two thousand, thirty-nine".