23148899 has 4 divisors (see below), whose sum is σ = 23159136. Its totient is φ = 23138664.

The previous prime is 23148893. The next prime is 23148901. The reversal of 23148899 is 99884132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23148899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23148893) 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, 59 + ... + 6804.

It is an arithmetic number, because the mean of its divisors is an integer number (5789784).

Almost surely, 2^23148899 is an apocalyptic number.

23148899 is a deficient number, since it is larger than the sum of its proper divisors (10237).

23148899 is an equidigital number, since it uses as much as digits as its factorization.

23148899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10236.

The product of its digits is 124416, while the sum is 44.

The square root of 23148899 is about 4811.3302734275. The cubic root of 23148899 is about 284.9990725321. Note that the first 3 decimals are identical.

The spelling of 23148899 in words is "twenty-three million, one hundred forty-eight thousand, eight hundred ninety-nine".