23225521534431 has 4 divisors (see below), whose sum is σ = 30967362045912. Its totient is φ = 15483681022952.

The previous prime is 23225521534403. The next prime is 23225521534441. The reversal of 23225521534431 is 13443512552232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23225521534431 - 2¹¹ = 23225521532383 is a prime.

It is a super-2 number, since 2×23225521534431² (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 (23225521534441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3870920255736 + ... + 3870920255741.

It is an arithmetic number, because the mean of its divisors is an integer number (7741840511478).

Almost surely, 2^{23225521534431} is an apocalyptic number.

23225521534431 is a deficient number, since it is larger than the sum of its proper divisors (7741840511481).

23225521534431 is an equidigital number, since it uses as much as digits as its factorization.

23225521534431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7741840511480.

The product of its digits is 864000, while the sum is 42.

The spelling of 23225521534431 in words is "twenty-three trillion, two hundred twenty-five billion, five hundred twenty-one million, five hundred thirty-four thousand, four hundred thirty-one".