23325545243523 has 4 divisors (see below), whose sum is σ = 31100726991368. Its totient is φ = 15550363495680.

The previous prime is 23325545243423. The next prime is 23325545243573. The reversal of 23325545243523 is 32534254552332.

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

It is not a de Polignac number, because 23325545243523 - 2²¹ = 23325543146371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23325545243573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3887590873918 + ... + 3887590873923.

It is an arithmetic number, because the mean of its divisors is an integer number (7775181747842).

Almost surely, 2^{23325545243523} is an apocalyptic number.

23325545243523 is a deficient number, since it is larger than the sum of its proper divisors (7775181747845).

23325545243523 is an equidigital number, since it uses as much as digits as its factorization.

23325545243523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775181747844.

The product of its digits is 12960000, while the sum is 48.

Adding to 23325545243523 its reverse (32534254552332), we get a palindrome (55859799795855).

The spelling of 23325545243523 in words is "twenty-three trillion, three hundred twenty-five billion, five hundred forty-five million, two hundred forty-three thousand, five hundred twenty-three".