23130523241345 has 8 divisors (see below), whose sum is σ = 29891753111976. Its totient is φ = 17081001778176.

The previous prime is 23130523241303. The next prime is 23130523241347. The reversal of 23130523241345 is 54314232503132.

It can be written as a sum of positive squares in 4 ways, for example, as 88689604864 + 23041833636481 = 297808^2 + 4800191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23130523241345 is a prime.

It is a super-2 number, since 2×23130523241345² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23130523241299 and 23130523241308.

It is not an unprimeable number, because it can be changed into a prime (23130523241347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177927101792 + ... + 177927101921.

It is an arithmetic number, because the mean of its divisors is an integer number (3736469138997).

Almost surely, 2^{23130523241345} is an apocalyptic number.

It is an amenable number.

23130523241345 is a deficient number, since it is larger than the sum of its proper divisors (6761229870631).

23130523241345 is a wasteful number, since it uses less digits than its factorization.

23130523241345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355854203731.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 23130523241345 its reverse (54314232503132), we get a palindrome (77444755744477).

The spelling of 23130523241345 in words is "twenty-three trillion, one hundred thirty billion, five hundred twenty-three million, two hundred forty-one thousand, three hundred forty-five".