245421253053223 has 16 divisors (see below), whose sum is σ = 264870285434496. Its totient is φ = 226053829179360.

The previous prime is 245421253053217. The next prime is 245421253053259. The reversal of 245421253053223 is 322350352124542.

It is a de Polignac number, because none of the positive numbers 2^k-245421253053223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245421253053223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245421253053523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50282836 + ... + 54947302.

It is an arithmetic number, because the mean of its divisors is an integer number (16554392839656).

Almost surely, 2^{245421253053223} is an apocalyptic number.

245421253053223 is a deficient number, since it is larger than the sum of its proper divisors (19449032381273).

245421253053223 is a wasteful number, since it uses less digits than its factorization.

245421253053223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673214.

The product of its (nonzero) digits is 1728000, while the sum is 43.

The spelling of 245421253053223 in words is "two hundred forty-five trillion, four hundred twenty-one billion, two hundred fifty-three million, fifty-three thousand, two hundred twenty-three".