23621642 has 8 divisors (see below), whose sum is σ = 38653632. Its totient is φ = 10737100.

The previous prime is 23621639. The next prime is 23621657. The reversal of 23621642 is 24612632.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536834 + ... + 536877.

It is an arithmetic number, because the mean of its divisors is an integer number (4831704).

Almost surely, 2^23621642 is an apocalyptic number.

23621642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23621642 is a deficient number, since it is larger than the sum of its proper divisors (15031990).

23621642 is a wasteful number, since it uses less digits than its factorization.

23621642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073724.

The product of its digits is 3456, while the sum is 26.

The square root of 23621642 is about 4860.2100777641. The cubic root of 23621642 is about 286.9260818026.

It can be divided in two parts, 2362 and 1642, that added together give a palindrome (4004).

The spelling of 23621642 in words is "twenty-three million, six hundred twenty-one thousand, six hundred forty-two".