23112550 has 24 divisors (see below), whose sum is σ = 45253800. Its totient is φ = 8758080.

The previous prime is 23112547. The next prime is 23112553. The reversal of 23112550 is 5521132.

It is an interprime number because it is at equal distance from previous prime (23112547) and next prime (23112553).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11215 + ... + 13114.

It is an arithmetic number, because the mean of its divisors is an integer number (1885575).

Almost surely, 2^23112550 is an apocalyptic number.

23112550 is a deficient number, since it is larger than the sum of its proper divisors (22141250).

23112550 is a wasteful number, since it uses less digits than its factorization.

23112550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24360 (or 24355 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 23112550 is about 4807.5513517798. The cubic root of 23112550 is about 284.8498234147.

Adding to 23112550 its reverse (5521132), we get a palindrome (28633682).

The spelling of 23112550 in words is "twenty-three million, one hundred twelve thousand, five hundred fifty".