23000144 has 20 divisors (see below), whose sum is σ = 44795124. Its totient is φ = 11440128.

The previous prime is 23000137. The next prime is 23000189. The reversal of 23000144 is 44100032.

It can be written as a sum of positive squares in 2 ways, for example, as 16810000 + 6190144 = 4100^2 + 2488^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497 + ... + 6800.

Almost surely, 2^23000144 is an apocalyptic number.

It is an amenable number.

23000144 is a deficient number, since it is larger than the sum of its proper divisors (21794980).

23000144 is a wasteful number, since it uses less digits than its factorization.

23000144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502 (or 7496 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23000144 is about 4795.8465363270. The cubic root of 23000144 is about 284.3872914866.

Adding to 23000144 its reverse (44100032), we get a palindrome (67100176).

The spelling of 23000144 in words is "twenty-three million, one hundred forty-four", and thus it is an aban number.