223303101012 has 36 divisors (see below), whose sum is σ = 564496956660. Its totient is φ = 74429574912.

The previous prime is 223303100987. The next prime is 223303101019. The reversal of 223303101012 is 210101303322.

223303101012 is a `hidden beast` number, since 2 + 2 + 330 + 310 + 10 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 120316021956 + 102987079056 = 346866^2 + 320916^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223303101019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391228 + ... + 774380.

Almost surely, 2^223303101012 is an apocalyptic number.

It is an amenable number.

223303101012 is an abundant number, since it is smaller than the sum of its proper divisors (341193855648).

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

223303101012 is a wasteful number, since it uses less digits than its factorization.

223303101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399352 (or 399347 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 223303101012 its reverse (210101303322), we get a palindrome (433404404334).

The spelling of 223303101012 in words is "two hundred twenty-three billion, three hundred three million, one hundred one thousand, twelve".