23144240133 has 32 divisors (see below), whose sum is σ = 39276652800. Its totient is φ = 13194690048.

The previous prime is 23144240129. The next prime is 23144240201. The reversal of 23144240133 is 33104244132.

23144240133 is a `hidden beast` number, since 231 + 4 + 424 + 0 + 1 + 3 + 3 = 666.

It is not a de Polignac number, because 23144240133 - 2² = 23144240129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23144240097 and 23144240106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144240533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59568 + ... + 223241.

It is an arithmetic number, because the mean of its divisors is an integer number (1227395400).

Almost surely, 2^23144240133 is an apocalyptic number.

It is an amenable number.

23144240133 is a deficient number, since it is larger than the sum of its proper divisors (16132412667).

23144240133 is a wasteful number, since it uses less digits than its factorization.

23144240133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283258 (or 283252 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 23144240133 its reverse (33104244132), we get a palindrome (56248484265).

The spelling of 23144240133 in words is "twenty-three billion, one hundred forty-four million, two hundred forty thousand, one hundred thirty-three".