23820069 has 16 divisors (see below), whose sum is σ = 39089792. Its totient is φ = 12564288.

The previous prime is 23820037. The next prime is 23820079. The reversal of 23820069 is 96002832.

It is not a de Polignac number, because 23820069 - 2⁵ = 23820037 is a prime.

It is a super-2 number, since 2×23820069² = 1134791374329522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23820079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43354 + ... + 43899.

It is an arithmetic number, because the mean of its divisors is an integer number (2443112).

Almost surely, 2^23820069 is an apocalyptic number.

It is an amenable number.

23820069 is a deficient number, since it is larger than the sum of its proper divisors (15269723).

23820069 is a wasteful number, since it uses less digits than its factorization.

23820069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87276.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 23820069 is about 4880.5808056009. The cubic root of 23820069 is about 287.7272567366.

The spelling of 23820069 in words is "twenty-three million, eight hundred twenty thousand, sixty-nine".