23115119 has 4 divisors (see below), whose sum is σ = 23860800. Its totient is φ = 22369440.

The previous prime is 23115109. The next prime is 23115133. The reversal of 23115119 is 91151132.

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 23115119 - 2⁸ = 23114863 is a prime.

It is a super-2 number, since 2×23115119² = 1068617452768322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23115094 and 23115103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115109) 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, 372794 + ... + 372855.

It is an arithmetic number, because the mean of its divisors is an integer number (5965200).

Almost surely, 2^23115119 is an apocalyptic number.

23115119 is a deficient number, since it is larger than the sum of its proper divisors (745681).

23115119 is an equidigital number, since it uses as much as digits as its factorization.

23115119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745680.

The product of its digits is 270, while the sum is 23.

The square root of 23115119 is about 4807.8185281893. The cubic root of 23115119 is about 284.8603768742.

It can be divided in two parts, 23115 and 119, that multiplied together give a triangular number (2750685 = T₂₃₄₅).

The spelling of 23115119 in words is "twenty-three million, one hundred fifteen thousand, one hundred nineteen".