23534442 has 32 divisors (see below), whose sum is σ = 53716800. Its totient is φ = 7632144.

The previous prime is 23534437. The next prime is 23534449. The reversal of 23534442 is 24443532.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23534449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3892 + ... + 7887.

It is an arithmetic number, because the mean of its divisors is an integer number (1678650).

Almost surely, 2^23534442 is an apocalyptic number.

23534442 is an abundant number, since it is smaller than the sum of its proper divisors (30182358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23534442 is a wasteful number, since it uses less digits than its factorization.

23534442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11827 (or 11821 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 23534442 is about 4851.2309778035. The cubic root of 23534442 is about 286.5725810463.

Adding to 23534442 its reverse (24443532), we get a palindrome (47977974).

The spelling of 23534442 in words is "twenty-three million, five hundred thirty-four thousand, four hundred forty-two".