123033113209 has 8 divisors (see below), whose sum is σ = 129523632480. Its totient is φ = 116544103200.

The previous prime is 123033113197. The next prime is 123033113233. The reversal of 123033113209 is 902311330321.

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 123033113209 - 2²⁵ = 122999558777 is a prime.

It is a super-2 number, since 2×123033113209² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123033113279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208027 + ... + 537904.

It is an arithmetic number, because the mean of its divisors is an integer number (16190454060).

Almost surely, 2^123033113209 is an apocalyptic number.

123033113209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

123033113209 is a deficient number, since it is larger than the sum of its proper divisors (6490519271).

123033113209 is an equidigital number, since it uses as much as digits as its factorization.

123033113209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754631.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 123033113209 in words is "one hundred twenty-three billion, thirty-three million, one hundred thirteen thousand, two hundred nine".