23555144 has 16 divisors (see below), whose sum is σ = 44217600. Its totient is φ = 11763792.

The previous prime is 23555137. The next prime is 23555167. The reversal of 23555144 is 44155532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11597 + ... + 13475.

It is an arithmetic number, because the mean of its divisors is an integer number (2763600).

Almost surely, 2^23555144 is an apocalyptic number.

It is an amenable number.

23555144 is a deficient number, since it is larger than the sum of its proper divisors (20662456).

23555144 is a wasteful number, since it uses less digits than its factorization.

23555144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452 (or 3448 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 23555144 is about 4853.3641940411. The cubic root of 23555144 is about 286.6565839853.

The spelling of 23555144 in words is "twenty-three million, five hundred fifty-five thousand, one hundred forty-four".