23090144 has 48 divisors (see below), whose sum is σ = 56681856. Its totient is φ = 8995200.

The previous prime is 23090087. The next prime is 23090159. The reversal of 23090144 is 44109032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2222 + ... + 7149.

It is an arithmetic number, because the mean of its divisors is an integer number (1180872).

Almost surely, 2^23090144 is an apocalyptic number.

It is an amenable number.

23090144 is an abundant number, since it is smaller than the sum of its proper divisors (33591712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23090144 is a wasteful number, since it uses less digits than its factorization.

23090144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9399 (or 9391 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23090144 is about 4805.2204944206. The cubic root of 23090144 is about 284.7577463300.

Adding to 23090144 its reverse (44109032), we get a palindrome (67199176).

The spelling of 23090144 in words is "twenty-three million, ninety thousand, one hundred forty-four".