223120012302 has 96 divisors (see below), whose sum is σ = 559033622784. Its totient is φ = 63562348800.

The previous prime is 223120012249. The next prime is 223120012327. The reversal of 223120012302 is 203210021322.

223120012302 is a `hidden beast` number, since 2 + 231 + 200 + 1 + 230 + 2 = 666.

It is a super-3 number, since 3×223120012302³ (a number of 35 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2948277 + ... + 3023007.

It is an arithmetic number, because the mean of its divisors is an integer number (5823266904).

Almost surely, 2^223120012302 is an apocalyptic number.

223120012302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 223120012302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279516811392).

223120012302 is an abundant number, since it is smaller than the sum of its proper divisors (335913610482).

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

223120012302 is a wasteful number, since it uses less digits than its factorization.

223120012302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75654 (or 75651 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 223120012302 its reverse (203210021322), we get a palindrome (426330033624).

The spelling of 223120012302 in words is "two hundred twenty-three billion, one hundred twenty million, twelve thousand, three hundred two".