123241142309 has 16 divisors (see below), whose sum is σ = 130499940480. Its totient is φ = 116060143680.

The previous prime is 123241142207. The next prime is 123241142341. The reversal of 123241142309 is 903241142321.

It is a cyclic number.

It is not a de Polignac number, because 123241142309 - 2²⁰ = 123240093733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123241142359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9922187 + ... + 9934599.

It is an arithmetic number, because the mean of its divisors is an integer number (8156246280).

Almost surely, 2^123241142309 is an apocalyptic number.

123241142309 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

123241142309 is a deficient number, since it is larger than the sum of its proper divisors (7258798171).

123241142309 is a wasteful number, since it uses less digits than its factorization.

123241142309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15500.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 123241142309 in words is "one hundred twenty-three billion, two hundred forty-one million, one hundred forty-two thousand, three hundred nine".