23144764 has 12 divisors (see below), whose sum is σ = 40549600. Its totient is φ = 11559168.

The previous prime is 23144749. The next prime is 23144767. The reversal of 23144764 is 46744132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372 + ... + 6940.

Almost surely, 2^23144764 is an apocalyptic number.

It is an amenable number.

23144764 is a deficient number, since it is larger than the sum of its proper divisors (17404836).

23144764 is a wasteful number, since it uses less digits than its factorization.

23144764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612 (or 6610 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 23144764 is about 4810.9005394001. The cubic root of 23144764 is about 284.9821020873.

Adding to 23144764 its reverse (46744132), we get a palindrome (69888896).

The spelling of 23144764 in words is "twenty-three million, one hundred forty-four thousand, seven hundred sixty-four".