23836423 has 4 divisors (see below), whose sum is σ = 25670008. Its totient is φ = 22002840.

The previous prime is 23836403. The next prime is 23836453. The reversal of 23836423 is 32463832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23836423 - 2¹⁷ = 23705351 is a prime.

It is a super-2 number, since 2×23836423² = 1136350122869858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23836403) 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, 916773 + ... + 916798.

It is an arithmetic number, because the mean of its divisors is an integer number (6417502).

Almost surely, 2^23836423 is an apocalyptic number.

23836423 is a deficient number, since it is larger than the sum of its proper divisors (1833585).

23836423 is a wasteful number, since it uses less digits than its factorization.

23836423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833584.

The product of its digits is 20736, while the sum is 31.

The square root of 23836423 is about 4882.2559334799. The cubic root of 23836423 is about 287.7930893908.

The spelling of 23836423 in words is "twenty-three million, eight hundred thirty-six thousand, four hundred twenty-three".