23313144 has 16 divisors (see below), whose sum is σ = 58282920. Its totient is φ = 7771040.

The previous prime is 23313113. The next prime is 23313149. The reversal of 23313144 is 44131332.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 23313144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485667 + ... + 485714.

Almost surely, 2^23313144 is an apocalyptic number.

23313144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23313144 is an abundant number, since it is smaller than the sum of its proper divisors (34969776).

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

23313144 is a wasteful number, since it uses less digits than its factorization.

23313144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971390 (or 971386 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 23313144 is about 4828.3686686085. The cubic root of 23313144 is about 285.6715220760.

Adding to 23313144 its reverse (44131332), we get a palindrome (67444476).

The spelling of 23313144 in words is "twenty-three million, three hundred thirteen thousand, one hundred forty-four".