23537242 has 16 divisors (see below), whose sum is σ = 36016200. Its totient is φ = 11534400.

The previous prime is 23537237. The next prime is 23537243. The reversal of 23537242 is 24273532.

It can be written as a sum of positive squares in 4 ways, for example, as 23532201 + 5041 = 4851^2 + 71^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23537242.

It is not an unprimeable number, because it can be changed into a prime (23537243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21484 + ... + 22552.

Almost surely, 2^23537242 is an apocalyptic number.

23537242 is a deficient number, since it is larger than the sum of its proper divisors (12478958).

23537242 is a wasteful number, since it uses less digits than its factorization.

23537242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281.

The product of its digits is 10080, while the sum is 28.

The square root of 23537242 is about 4851.5195557681. The cubic root of 23537242 is about 286.5839455450.

The spelling of 23537242 in words is "twenty-three million, five hundred thirty-seven thousand, two hundred forty-two".