123343322409 has 24 divisors (see below), whose sum is σ = 188286789600. Its totient is φ = 77590656000.

The previous prime is 123343322393. The next prime is 123343322461. The reversal of 123343322409 is 904223343321.

It is not a de Polignac number, because 123343322409 - 2⁴ = 123343322393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123343323409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1393944 + ... + 1479785.

It is an arithmetic number, because the mean of its divisors is an integer number (7845282900).

Almost surely, 2^123343322409 is an apocalyptic number.

123343322409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

123343322409 is a deficient number, since it is larger than the sum of its proper divisors (64943467191).

123343322409 is a wasteful number, since it uses less digits than its factorization.

123343322409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874005 (or 2874002 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The spelling of 123343322409 in words is "one hundred twenty-three billion, three hundred forty-three million, three hundred twenty-two thousand, four hundred nine".