23115854 has 8 divisors (see below), whose sum is σ = 35480280. Its totient is φ = 11289096.

The previous prime is 23115853. The next prime is 23115877. The reversal of 23115854 is 45851132.

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

It is a super-2 number, since 2×23115854² = 1068685412298632, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134309 + ... + 134480.

It is an arithmetic number, because the mean of its divisors is an integer number (4435035).

Almost surely, 2^23115854 is an apocalyptic number.

23115854 is a deficient number, since it is larger than the sum of its proper divisors (12364426).

23115854 is a wasteful number, since it uses less digits than its factorization.

23115854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268834.

The product of its digits is 4800, while the sum is 29.

The square root of 23115854 is about 4807.8949655749. The cubic root of 23115854 is about 284.8633961125.

Adding to 23115854 its reverse (45851132), we get a palindrome (68966986).

The spelling of 23115854 in words is "twenty-three million, one hundred fifteen thousand, eight hundred fifty-four".