223044135512 has 32 divisors (see below), whose sum is σ = 457605028800. Its totient is φ = 101077389600.

The previous prime is 223044135499. The next prime is 223044135569. The reversal of 223044135512 is 215531440322.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3799562 + ... + 3857817.

It is an arithmetic number, because the mean of its divisors is an integer number (14300157150).

Almost surely, 2^223044135512 is an apocalyptic number.

223044135512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

223044135512 is an abundant number, since it is smaller than the sum of its proper divisors (234560893288).

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

223044135512 is a wasteful number, since it uses less digits than its factorization.

223044135512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7657727 (or 7657723 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 223044135512 its reverse (215531440322), we get a palindrome (438575575834).

The spelling of 223044135512 in words is "two hundred twenty-three billion, forty-four million, one hundred thirty-five thousand, five hundred twelve".