23442031 has 4 divisors (see below), whose sum is σ = 24820992. Its totient is φ = 22063072.

The previous prime is 23442007. The next prime is 23442061. The reversal of 23442031 is 13024432.

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 23442031 - 2⁷ = 23441903 is a prime.

It is a super-2 number, since 2×23442031² = 1099057634809922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442061) 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, 689455 + ... + 689488.

It is an arithmetic number, because the mean of its divisors is an integer number (6205248).

Almost surely, 2^23442031 is an apocalyptic number.

23442031 is a deficient number, since it is larger than the sum of its proper divisors (1378961).

23442031 is a wasteful number, since it uses less digits than its factorization.

23442031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378960.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23442031 is about 4841.6971198124. The cubic root of 23442031 is about 286.1970010509.

Adding to 23442031 its reverse (13024432), we get a palindrome (36466463).

The spelling of 23442031 in words is "twenty-three million, four hundred forty-two thousand, thirty-one".