23201144 has 16 divisors (see below), whose sum is σ = 44905920. Its totient is φ = 11226240.

The previous prime is 23201137. The next prime is 23201153. The reversal of 23201144 is 44110232.

It is a congruent number.

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, 46529 + ... + 47024.

It is an arithmetic number, because the mean of its divisors is an integer number (2806620).

Almost surely, 2^23201144 is an apocalyptic number.

It is an amenable number.

23201144 is a deficient number, since it is larger than the sum of its proper divisors (21704776).

23201144 is a wasteful number, since it uses less digits than its factorization.

23201144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93590 (or 93586 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 23201144 is about 4816.7565850892. The cubic root of 23201144 is about 285.2133172634.

Adding to 23201144 its reverse (44110232), we get a palindrome (67311376).

The spelling of 23201144 in words is "twenty-three million, two hundred one thousand, one hundred forty-four".