23442542 has 8 divisors (see below), whose sum is σ = 37014600. Its totient is φ = 11104344.

The previous prime is 23442533. The next prime is 23442547. The reversal of 23442542 is 24524432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442547) 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, 308417 + ... + 308492.

It is an arithmetic number, because the mean of its divisors is an integer number (4626825).

Almost surely, 2^23442542 is an apocalyptic number.

23442542 is a deficient number, since it is larger than the sum of its proper divisors (13572058).

23442542 is a wasteful number, since it uses less digits than its factorization.

23442542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616930.

The product of its digits is 7680, while the sum is 26.

The square root of 23442542 is about 4841.7498902773. The cubic root of 23442542 is about 286.1990805864.

Adding to 23442542 its reverse (24524432), we get a palindrome (47966974).

The spelling of 23442542 in words is "twenty-three million, four hundred forty-two thousand, five hundred forty-two".