23144541225 has 48 divisors (see below), whose sum is σ = 41672332800. Its totient is φ = 11266168320.

The previous prime is 23144541191. The next prime is 23144541229. The reversal of 23144541225 is 52214544132.

It is not a de Polignac number, because 23144541225 - 2¹³ = 23144533033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23144541229) 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, 46585 + ... + 220134.

It is an arithmetic number, because the mean of its divisors is an integer number (868173600).

Almost surely, 2^23144541225 is an apocalyptic number.

23144541225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23144541225 is a deficient number, since it is larger than the sum of its proper divisors (18527791575).

23144541225 is a wasteful number, since it uses less digits than its factorization.

23144541225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266834 (or 266829 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The spelling of 23144541225 in words is "twenty-three billion, one hundred forty-four million, five hundred forty-one thousand, two hundred twenty-five".