23445204332013 has 24 divisors (see below), whose sum is σ = 35863797538296. Its totient is φ = 14708080051200.

The previous prime is 23445204331961. The next prime is 23445204332027. The reversal of 23445204332013 is 31023340254432.

23445204332013 is a `hidden beast` number, since 2 + 3 + 445 + 2 + 0 + 4 + 3 + 3 + 201 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10256409768969 + 13188794563044 = 3202563^2 + 3631638^2 .

It is not a de Polignac number, because 23445204332013 - 2²⁹ = 23444667461101 is a prime.

It is a super-2 number, since 2×23445204332013² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23445204332813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12874528 + ... + 14582313.

It is an arithmetic number, because the mean of its divisors is an integer number (1494324897429).

Almost surely, 2^{23445204332013} is an apocalyptic number.

It is an amenable number.

23445204332013 is a deficient number, since it is larger than the sum of its proper divisors (12418593206283).

23445204332013 is a wasteful number, since it uses less digits than its factorization.

23445204332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27462445 (or 27462442 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 23445204332013 its reverse (31023340254432), we get a palindrome (54468544586445).

The spelling of 23445204332013 in words is "twenty-three trillion, four hundred forty-five billion, two hundred four million, three hundred thirty-two thousand, thirteen".