23148902 has 64 divisors (see below), whose sum is σ = 44651520. Its totient is φ = 8781696.

The previous prime is 23148901. The next prime is 23148907. The reversal of 23148902 is 20984132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23148901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345473 + ... + 345539.

It is an arithmetic number, because the mean of its divisors is an integer number (697680).

Almost surely, 2^23148902 is an apocalyptic number.

23148902 is a deficient number, since it is larger than the sum of its proper divisors (21502618).

23148902 is a wasteful number, since it uses less digits than its factorization.

23148902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 23148902 is about 4811.3305851916. The cubic root of 23148902 is about 284.9990848437. Note that the first 3 decimals are identical.

The spelling of 23148902 in words is "twenty-three million, one hundred forty-eight thousand, nine hundred two".