23940111 has 8 divisors (see below), whose sum is σ = 34375600. Its totient is φ = 14732352.

The previous prime is 23940089. The next prime is 23940113. The reversal of 23940111 is 11104932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23940111 - 2¹⁵ = 23907343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23940113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306886 + ... + 306963.

It is an arithmetic number, because the mean of its divisors is an integer number (4296950).

Almost surely, 2^23940111 is an apocalyptic number.

23940111 is a deficient number, since it is larger than the sum of its proper divisors (10435489).

23940111 is a wasteful number, since it uses less digits than its factorization.

23940111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613865.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 23940111 is about 4892.8632721547. The cubic root of 23940111 is about 288.2097839776.

The spelling of 23940111 in words is "twenty-three million, nine hundred forty thousand, one hundred eleven".