223684729507340 has 24 divisors (see below), whose sum is σ = 473323717711152. Its totient is φ = 88790884994240.

The previous prime is 223684729507339. The next prime is 223684729507409. The reversal of 223684729507340 is 43705927486322.

It is a super-2 number, since 2×223684729507340² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42687922859 + ... + 42687928098.

It is an arithmetic number, because the mean of its divisors is an integer number (19721821571298).

Almost surely, 2^{223684729507340} is an apocalyptic number.

223684729507340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223684729507340 is an abundant number, since it is smaller than the sum of its proper divisors (249638988203812).

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

223684729507340 is a wasteful number, since it uses less digits than its factorization.

223684729507340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85375851097 (or 85375851095 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 62.

The spelling of 223684729507340 in words is "two hundred twenty-three trillion, six hundred eighty-four billion, seven hundred twenty-nine million, five hundred seven thousand, three hundred forty".