245343242534523 has 64 divisors (see below), whose sum is σ = 400661387919360. Its totient is φ = 130474080519552.

The previous prime is 245343242534459. The next prime is 245343242534557. The reversal of 245343242534523 is 325435242343542.

It is not a de Polignac number, because 245343242534523 - 2⁶ = 245343242534459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245343242534023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1963013248 + ... + 1963138226.

It is an arithmetic number, because the mean of its divisors is an integer number (6260334186240).

Almost surely, 2^{245343242534523} is an apocalyptic number.

245343242534523 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

245343242534523 is a deficient number, since it is larger than the sum of its proper divisors (155318145384837).

245343242534523 is a wasteful number, since it uses less digits than its factorization.

245343242534523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234896.

The product of its digits is 41472000, while the sum is 51.

The spelling of 245343242534523 in words is "two hundred forty-five trillion, three hundred forty-three billion, two hundred forty-two million, five hundred thirty-four thousand, five hundred twenty-three".