223445556051 has 16 divisors (see below), whose sum is σ = 305670159648. Its totient is φ = 145103667200.

The previous prime is 223445556043. The next prime is 223445556073. The reversal of 223445556051 is 150655544322.

It is a cyclic number.

It is not a de Polignac number, because 223445556051 - 2³ = 223445556043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223445555994 and 223445556012.

It is not an unprimeable number, because it can be changed into a prime (223445556251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338186 + ... + 1495871.

It is an arithmetic number, because the mean of its divisors is an integer number (19104384978).

Almost surely, 2^223445556051 is an apocalyptic number.

223445556051 is a deficient number, since it is larger than the sum of its proper divisors (82224603597).

223445556051 is a wasteful number, since it uses less digits than its factorization.

223445556051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834742.

The product of its (nonzero) digits is 720000, while the sum is 42.

It can be divided in two parts, 2234 and 45556051, that added together give a triangular number (45558285 = T₉₅₄₅).

The spelling of 223445556051 in words is "two hundred twenty-three billion, four hundred forty-five million, five hundred fifty-six thousand, fifty-one".