223118084945 has 24 divisors (see below), whose sum is σ = 312456201408. Its totient is φ = 152503260000.

The previous prime is 223118084933. The next prime is 223118084989. The reversal of 223118084945 is 549480811322.

It is not a de Polignac number, because 223118084945 - 2¹² = 223118080849 is a prime.

It is a super-3 number, since 3×223118084945³ (a number of 35 digits) contains 333 as substring.

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 223118084945.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1387931 + ... + 1540320.

It is an arithmetic number, because the mean of its divisors is an integer number (13019008392).

Almost surely, 2^223118084945 is an apocalyptic number.

It is an amenable number.

223118084945 is a deficient number, since it is larger than the sum of its proper divisors (89338116463).

223118084945 is a wasteful number, since it uses less digits than its factorization.

223118084945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928581 (or 2928574 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 223118084945 in words is "two hundred twenty-three billion, one hundred eighteen million, eighty-four thousand, nine hundred forty-five".