123456222340 has 48 divisors (see below), whose sum is σ = 282933362880. Its totient is φ = 44876286080.

The previous prime is 123456222311. The next prime is 123456222367. The reversal of 123456222340 is 43222654321.

It is a junction number, because it is equal to n+sod(n) for n = 123456222296 and 123456222305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488271 + ... + 696649.

It is an arithmetic number, because the mean of its divisors is an integer number (5894445060).

Almost surely, 2^123456222340 is an apocalyptic number.

123456222340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123456222340 is an abundant number, since it is smaller than the sum of its proper divisors (159477140540).

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

123456222340 is a wasteful number, since it uses less digits than its factorization.

123456222340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211092 (or 211090 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 123456222340 its reverse (43222654321), we get a palindrome (166678876661).

The spelling of 123456222340 in words is "one hundred twenty-three billion, four hundred fifty-six million, two hundred twenty-two thousand, three hundred forty".