23145425445423 has 32 divisors (see below), whose sum is σ = 31028142398400. Its totient is φ = 15346793226240.

The previous prime is 23145425445421. The next prime is 23145425445437. The reversal of 23145425445423 is 32454452454132.

It is not a de Polignac number, because 23145425445423 - 2¹ = 23145425445421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23145425445421) 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, 551625361 + ... + 551667317.

It is an arithmetic number, because the mean of its divisors is an integer number (969629449950).

Almost surely, 2^{23145425445423} is an apocalyptic number.

23145425445423 is a deficient number, since it is larger than the sum of its proper divisors (7882716952977).

23145425445423 is a wasteful number, since it uses less digits than its factorization.

23145425445423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43707.

The product of its digits is 9216000, while the sum is 48.

Adding to 23145425445423 its reverse (32454452454132), we get a palindrome (55599877899555).

The spelling of 23145425445423 in words is "twenty-three trillion, one hundred forty-five billion, four hundred twenty-five million, four hundred forty-five thousand, four hundred twenty-three".