123002311129 has 8 divisors (see below), whose sum is σ = 126034782048. Its totient is φ = 119971383840.

The previous prime is 123002311099. The next prime is 123002311141. The reversal of 123002311129 is 921113200321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123002311129 - 2⁷ = 123002311001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123002311529) by changing a digit.

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, 223747 + ... + 544120.

It is an arithmetic number, because the mean of its divisors is an integer number (15754347756).

Almost surely, 2^123002311129 is an apocalyptic number.

It is an amenable number.

123002311129 is a deficient number, since it is larger than the sum of its proper divisors (3032470919).

123002311129 is an equidigital number, since it uses as much as digits as its factorization.

123002311129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771815.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 123002311129 in words is "one hundred twenty-three billion, two million, three hundred eleven thousand, one hundred twenty-nine".