23144223465 has 48 divisors (see below), whose sum is σ = 44781422400. Its totient is φ = 10960467840.

The previous prime is 23144223413. The next prime is 23144223469. The reversal of 23144223465 is 56432244132.

It is not a de Polignac number, because 23144223465 - 2⁹ = 23144222953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23144223469) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 522390 + ... + 564959.

It is an arithmetic number, because the mean of its divisors is an integer number (932946300).

Almost surely, 2^23144223465 is an apocalyptic number.

It is an amenable number.

23144223465 is a deficient number, since it is larger than the sum of its proper divisors (21637198935).

23144223465 is a wasteful number, since it uses less digits than its factorization.

23144223465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087414 (or 1087411 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 23144223465 its reverse (56432244132), we get a palindrome (79576467597).

The spelling of 23144223465 in words is "twenty-three billion, one hundred forty-four million, two hundred twenty-three thousand, four hundred sixty-five".