223123302012 has 96 divisors (see below), whose sum is σ = 562678885440. Its totient is φ = 68407603200.

The previous prime is 223123302011. The next prime is 223123302041. The reversal of 223123302012 is 210203321322.

It is a happy number.

It is a super-3 number, since 3×223123302012³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223123302012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223123302011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93394914 + ... + 93397302.

It is an arithmetic number, because the mean of its divisors is an integer number (5861238390).

Almost surely, 2^223123302012 is an apocalyptic number.

It is an amenable number.

223123302012 is an abundant number, since it is smaller than the sum of its proper divisors (339555583428).

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

223123302012 is a wasteful number, since it uses less digits than its factorization.

223123302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303 (or 4301 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223123302012 its reverse (210203321322), we get a palindrome (433326623334).

The spelling of 223123302012 in words is "two hundred twenty-three billion, one hundred twenty-three million, three hundred two thousand, twelve".