223729451832 has 16 divisors (see below), whose sum is σ = 559323629640. Its totient is φ = 74576483936.

The previous prime is 223729451819. The next prime is 223729451837. The reversal of 223729451832 is 238154927322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223729451837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4661030223 + ... + 4661030270.

Almost surely, 2^223729451832 is an apocalyptic number.

It is an amenable number.

223729451832 is an abundant number, since it is smaller than the sum of its proper divisors (335594177808).

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

223729451832 is a wasteful number, since it uses less digits than its factorization.

223729451832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9322060502 (or 9322060498 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The spelling of 223729451832 in words is "two hundred twenty-three billion, seven hundred twenty-nine million, four hundred fifty-one thousand, eight hundred thirty-two".