23724069 has 4 divisors (see below), whose sum is σ = 31632096. Its totient is φ = 15816044.

The previous prime is 23724053. The next prime is 23724073. The reversal of 23724069 is 96042732.

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 a cyclic number.

It is not a de Polignac number, because 23724069 - 2⁴ = 23724053 is a prime.

It is a super-2 number, since 2×23724069² = 1125662899833522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23724769) 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, 3954009 + ... + 3954014.

It is an arithmetic number, because the mean of its divisors is an integer number (7908024).

Almost surely, 2^23724069 is an apocalyptic number.

It is an amenable number.

23724069 is a deficient number, since it is larger than the sum of its proper divisors (7908027).

23724069 is an equidigital number, since it uses as much as digits as its factorization.

23724069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908026.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 23724069 is about 4870.7359813482. The cubic root of 23724069 is about 287.3402020610.

It can be divided in two parts, 2372 and 4069, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 23724069 in words is "twenty-three million, seven hundred twenty-four thousand, sixty-nine".