223105815385192 has 16 divisors (see below), whose sum is σ = 418325143869540. Its totient is φ = 111552443686656.

The previous prime is 223105815385169. The next prime is 223105815385207. The reversal of 223105815385192 is 291583518501322.

It can be written as a sum of positive squares in 2 ways, for example, as 207174972493476 + 15930842891716 = 14393574^2 + 3991346^2 .

It is a super-3 number, since 3×223105815385192³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55952983 + ... + 59807590.

Almost surely, 2^{223105815385192} is an apocalyptic number.

It is an amenable number.

223105815385192 is a deficient number, since it is larger than the sum of its proper divisors (195219328484348).

223105815385192 is a wasteful number, since it uses less digits than its factorization.

223105815385192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116001492 (or 116001488 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 55.

The spelling of 223105815385192 in words is "two hundred twenty-three trillion, one hundred five billion, eight hundred fifteen million, three hundred eighty-five thousand, one hundred ninety-two".