23144772 has 48 divisors (see below), whose sum is σ = 61967360. Its totient is φ = 6586272.

The previous prime is 23144767. The next prime is 23144777. The reversal of 23144772 is 27744132.

It is an interprime number because it is at equal distance from previous prime (23144767) and next prime (23144777).

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

It is not an unprimeable number, because it can be changed into a prime (23144777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31473 + ... + 32199.

Almost surely, 2^23144772 is an apocalyptic number.

It is an amenable number.

23144772 is an abundant number, since it is smaller than the sum of its proper divisors (38822588).

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

23144772 is a wasteful number, since it uses less digits than its factorization.

23144772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1118 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 23144772 is about 4810.9013708452. The cubic root of 23144772 is about 284.9821349220.

The spelling of 23144772 in words is "twenty-three million, one hundred forty-four thousand, seven hundred seventy-two".