23115755 has 16 divisors (see below), whose sum is σ = 30905280. Its totient is φ = 16480128.

The previous prime is 23115751. The next prime is 23115773. The reversal of 23115755 is 55751132.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23115755 - 2² = 23115751 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (23115751) 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, 4247 + ... + 8016.

It is an arithmetic number, because the mean of its divisors is an integer number (1931580).

Almost surely, 2^23115755 is an apocalyptic number.

23115755 is a deficient number, since it is larger than the sum of its proper divisors (7789525).

23115755 is a wasteful number, since it uses less digits than its factorization.

23115755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12310.

The product of its digits is 5250, while the sum is 29.

The square root of 23115755 is about 4807.8846699978. The cubic root of 23115755 is about 284.8629894433.

Adding to 23115755 its reverse (55751132), we get a palindrome (78866887).

The spelling of 23115755 in words is "twenty-three million, one hundred fifteen thousand, seven hundred fifty-five".