123221340410 has 16 divisors (see below), whose sum is σ = 253483900416. Its totient is φ = 42247316688.

The previous prime is 123221340377. The next prime is 123221340421. The reversal of 123221340410 is 14043122321.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 880152362 + ... + 880152501.

It is an arithmetic number, because the mean of its divisors is an integer number (15842743776).

Almost surely, 2^123221340410 is an apocalyptic number.

123221340410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123221340410 is an abundant number, since it is smaller than the sum of its proper divisors (130262560006).

123221340410 is a wasteful number, since it uses less digits than its factorization.

123221340410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760304877.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123221340410 its reverse (14043122321), we get a palindrome (137264462731).

The spelling of 123221340410 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred forty thousand, four hundred ten".