23620121 has 8 divisors (see below), whose sum is σ = 27029184. Its totient is φ = 20219760.

The previous prime is 23620117. The next prime is 23620127. The reversal of 23620121 is 12102632.

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

It is a cyclic number.

It is not a de Polignac number, because 23620121 - 2² = 23620117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23620121.

It is not an unprimeable number, because it can be changed into a prime (23620127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5426 + ... + 8756.

It is an arithmetic number, because the mean of its divisors is an integer number (3378648).

Almost surely, 2^23620121 is an apocalyptic number.

It is an amenable number.

23620121 is a deficient number, since it is larger than the sum of its proper divisors (3409063).

23620121 is a wasteful number, since it uses less digits than its factorization.

23620121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 23620121 is about 4860.0536005275. The cubic root of 23620121 is about 286.9199232702.

Adding to 23620121 its reverse (12102632), we get a palindrome (35722753).

The spelling of 23620121 in words is "twenty-three million, six hundred twenty thousand, one hundred twenty-one".