223763308945 has 72 divisors (see below), whose sum is σ = 314256281472. Its totient is φ = 152808860160.

The previous prime is 223763308943. The next prime is 223763308991. The reversal of 223763308945 is 549803367322.

It is not a de Polignac number, because 223763308945 - 2¹ = 223763308943 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 223763308892 and 223763308901.

It is not an unprimeable number, because it can be changed into a prime (223763308943) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 91442712 + ... + 91445158.

It is an arithmetic number, because the mean of its divisors is an integer number (4364670576).

Almost surely, 2^223763308945 is an apocalyptic number.

It is an amenable number.

223763308945 is a deficient number, since it is larger than the sum of its proper divisors (90492972527).

223763308945 is a wasteful number, since it uses less digits than its factorization.

223763308945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031 (or 3003 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 223763308945 in words is "two hundred twenty-three billion, seven hundred sixty-three million, three hundred eight thousand, nine hundred forty-five".