23864069 has 4 divisors (see below), whose sum is σ = 23875500. Its totient is φ = 23852640.

The previous prime is 23864063. The next prime is 23864081. The reversal of 23864069 is 96046832.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10975969 + 12888100 = 3313^2 + 3590^2 .

It is a cyclic number.

It is not a de Polignac number, because 23864069 - 2⁴ = 23864053 is a prime.

It is a super-2 number, since 2×23864069² = 1138987578473522, 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 (23864063) 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, 1592 + ... + 7089.

It is an arithmetic number, because the mean of its divisors is an integer number (5968875).

Almost surely, 2^23864069 is an apocalyptic number.

It is an amenable number.

23864069 is a deficient number, since it is larger than the sum of its proper divisors (11431).

23864069 is an equidigital number, since it uses as much as digits as its factorization.

23864069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11430.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 23864069 is about 4885.0863861348. The cubic root of 23864069 is about 287.9043092909.

The spelling of 23864069 in words is "twenty-three million, eight hundred sixty-four thousand, sixty-nine".