23012244 has 36 divisors (see below), whose sum is σ = 58755060. Its totient is φ = 7593600.

The previous prime is 23012243. The next prime is 23012251. The reversal of 23012244 is 44221032.

It can be written as a sum of positive squares in 2 ways, for example, as 20250000 + 2762244 = 4500^2 + 1662^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012243) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 472 + ... + 6800.

It is an arithmetic number, because the mean of its divisors is an integer number (1632085).

Almost surely, 2^23012244 is an apocalyptic number.

It is an amenable number.

23012244 is an abundant number, since it is smaller than the sum of its proper divisors (35742816).

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

23012244 is a wasteful number, since it uses less digits than its factorization.

23012244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440 (or 6435 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 23012244 is about 4797.1078787119. The cubic root of 23012244 is about 284.4371532464.

Adding to 23012244 its reverse (44221032), we get a palindrome (67233276).

The spelling of 23012244 in words is "twenty-three million, twelve thousand, two hundred forty-four".