223423125345 has 48 divisors (see below), whose sum is σ = 468625322880. Its totient is φ = 96128266752.

The previous prime is 223423125337. The next prime is 223423125377. The reversal of 223423125345 is 543521324322.

223423125345 is a `hidden beast` number, since 22 + 342 + 3 + 1 + 253 + 45 = 666.

It is not a de Polignac number, because 223423125345 - 2³ = 223423125337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20855815 + ... + 20866524.

It is an arithmetic number, because the mean of its divisors is an integer number (9763027560).

Almost surely, 2^223423125345 is an apocalyptic number.

It is an amenable number.

223423125345 is an abundant number, since it is smaller than the sum of its proper divisors (245202197535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223423125345 is a wasteful number, since it uses less digits than its factorization.

223423125345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41722374 (or 41722371 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 223423125345 its reverse (543521324322), we get a palindrome (766944449667).

The spelling of 223423125345 in words is "two hundred twenty-three billion, four hundred twenty-three million, one hundred twenty-five thousand, three hundred forty-five".