23652381 has 4 divisors (see below), whose sum is σ = 31536512. Its totient is φ = 15768252.

The previous prime is 23652341. The next prime is 23652401. The reversal of 23652381 is 18325632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23652381 - 2⁹ = 23651869 is a prime.

It is a super-2 number, since 2×23652381² = 1118870253938322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23652311) 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, 3942061 + ... + 3942066.

It is an arithmetic number, because the mean of its divisors is an integer number (7884128).

Almost surely, 2^23652381 is an apocalyptic number.

It is an amenable number.

23652381 is a deficient number, since it is larger than the sum of its proper divisors (7884131).

23652381 is an equidigital number, since it uses as much as digits as its factorization.

23652381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884130.

The product of its digits is 8640, while the sum is 30.

The square root of 23652381 is about 4863.3713615146. The cubic root of 23652381 is about 287.0504874617.

The spelling of 23652381 in words is "twenty-three million, six hundred fifty-two thousand, three hundred eighty-one".