223519431912 has 64 divisors (see below), whose sum is σ = 641112001920. Its totient is φ = 63614189568.

The previous prime is 223519431911. The next prime is 223519431917. The reversal of 223519431912 is 219134915322.

It is a happy number.

223519431912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (223519431911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2545293 + ... + 2631644.

It is an arithmetic number, because the mean of its divisors is an integer number (10017375030).

Almost surely, 2^223519431912 is an apocalyptic number.

It is an amenable number.

223519431912 is an abundant number, since it is smaller than the sum of its proper divisors (417592570008).

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

223519431912 is a wasteful number, since it uses less digits than its factorization.

223519431912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177210 (or 5177206 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The spelling of 223519431912 in words is "two hundred twenty-three billion, five hundred nineteen million, four hundred thirty-one thousand, nine hundred twelve".