23652421 has 8 divisors (see below), whose sum is σ = 26014464. Its totient is φ = 21367920.

The previous prime is 23652413. The next prime is 23652437. The reversal of 23652421 is 12425632.

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 23652421 - 2³ = 23652413 is a prime.

It is a super-2 number, since 2×23652421² = 1118874038322482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23652401) 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, 18745 + ... + 19966.

It is an arithmetic number, because the mean of its divisors is an integer number (3251808).

Almost surely, 2^23652421 is an apocalyptic number.

It is an amenable number.

23652421 is a deficient number, since it is larger than the sum of its proper divisors (2362043).

23652421 is a wasteful number, since it uses less digits than its factorization.

23652421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38771.

The product of its digits is 2880, while the sum is 25.

The square root of 23652421 is about 4863.3754738864. The cubic root of 23652421 is about 287.0506492779.

The spelling of 23652421 in words is "twenty-three million, six hundred fifty-two thousand, four hundred twenty-one".