23621242 has 8 divisors (see below), whose sum is σ = 35460000. Its totient is φ = 11801244.

The previous prime is 23621231. The next prime is 23621249. The reversal of 23621242 is 24212632.

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

It is not an unprimeable number, because it can be changed into a prime (23621249) 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, 942 + ... + 6937.

It is an arithmetic number, because the mean of its divisors is an integer number (4432500).

Almost surely, 2^23621242 is an apocalyptic number.

23621242 is a deficient number, since it is larger than the sum of its proper divisors (11838758).

23621242 is a wasteful number, since it uses less digits than its factorization.

23621242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9380.

The product of its digits is 1152, while the sum is 22.

The square root of 23621242 is about 4860.1689271053. The cubic root of 23621242 is about 286.9244622273.

Adding to 23621242 its reverse (24212632), we get a palindrome (47833874).

The spelling of 23621242 in words is "twenty-three million, six hundred twenty-one thousand, two hundred forty-two".