23652021 has 8 divisors (see below), whose sum is σ = 32269600. Its totient is φ = 15401232.

The previous prime is 23652007. The next prime is 23652037. The reversal of 23652021 is 12025632.

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

It is not a de Polignac number, because 23652021 - 2⁵ = 23651989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23652001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91546 + ... + 91803.

It is an arithmetic number, because the mean of its divisors is an integer number (4033700).

Almost surely, 2^23652021 is an apocalyptic number.

It is an amenable number.

23652021 is a deficient number, since it is larger than the sum of its proper divisors (8617579).

23652021 is a wasteful number, since it uses less digits than its factorization.

23652021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183395.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 23652021 is about 4863.3343500113. The cubic root of 23652021 is about 287.0490311080.

Adding to 23652021 its reverse (12025632), we get a palindrome (35677653).

The spelling of 23652021 in words is "twenty-three million, six hundred fifty-two thousand, twenty-one".