223402311340 has 24 divisors (see below), whose sum is σ = 505232920080. Its totient is φ = 82487007168.

The previous prime is 223402311323. The next prime is 223402311469. The reversal of 223402311340 is 43113204322.

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, 429619570 + ... + 429620089.

It is an arithmetic number, because the mean of its divisors is an integer number (21051371670).

Almost surely, 2^223402311340 is an apocalyptic number.

223402311340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223402311340 is an abundant number, since it is smaller than the sum of its proper divisors (281830608740).

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

223402311340 is a wasteful number, since it uses less digits than its factorization.

223402311340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859239681 (or 859239679 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 223402311340 its reverse (43113204322), we get a palindrome (266515515662).

The spelling of 223402311340 in words is "two hundred twenty-three billion, four hundred two million, three hundred eleven thousand, three hundred forty".