23530242 has 16 divisors (see below), whose sum is σ = 49106880. Its totient is φ = 7502352.

The previous prime is 23530231. The next prime is 23530253. The reversal of 23530242 is 24203532.

It is an interprime number because it is at equal distance from previous prime (23530231) and next prime (23530253).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85117 + ... + 85392.

It is an arithmetic number, because the mean of its divisors is an integer number (3069180).

Almost surely, 2^23530242 is an apocalyptic number.

23530242 is an abundant number, since it is smaller than the sum of its proper divisors (25576638).

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

23530242 is a wasteful number, since it uses less digits than its factorization.

23530242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170537.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 23530242 is about 4850.7980786671. The cubic root of 23530242 is about 286.5555326080. Note that the first 4 decimals are identical.

Adding to 23530242 its reverse (24203532), we get a palindrome (47733774).

The spelling of 23530242 in words is "twenty-three million, five hundred thirty thousand, two hundred forty-two".