223355245143044 has 24 divisors (see below), whose sum is σ = 446710927947648. Its totient is φ = 95723582705280.

The previous prime is 223355245143029. The next prime is 223355245143047. The reversal of 223355245143044 is 440341542553322.

It is a self number, because there is not a number n which added to its sum of digits gives 223355245143044.

It is not an unprimeable number, because it can be changed into a prime (223355245143047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30495257 + ... + 37103519.

It is an arithmetic number, because the mean of its divisors is an integer number (18612955331152).

Almost surely, 2^{223355245143044} is an apocalyptic number.

It is an amenable number.

223355245143044 is an abundant number, since it is smaller than the sum of its proper divisors (223355682804604).

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

223355245143044 is a wasteful number, since it uses less digits than its factorization.

223355245143044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7815395 (or 7815393 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 47.

Adding to 223355245143044 its reverse (440341542553322), we get a palindrome (663696787696366).

The spelling of 223355245143044 in words is "two hundred twenty-three trillion, three hundred fifty-five billion, two hundred forty-five million, one hundred forty-three thousand, forty-four".