123001302311 has 16 divisors (see below), whose sum is σ = 126960395520. Its totient is φ = 119121235200.

The previous prime is 123001302253. The next prime is 123001302313. The reversal of 123001302311 is 113203100321.

It is a cyclic number.

It is not a de Polignac number, because 123001302311 - 2²² = 122997108007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123001302311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001302313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918680 + ... + 1044018.

It is an arithmetic number, because the mean of its divisors is an integer number (7935024720).

Almost surely, 2^123001302311 is an apocalyptic number.

123001302311 is a deficient number, since it is larger than the sum of its proper divisors (3959093209).

123001302311 is a wasteful number, since it uses less digits than its factorization.

123001302311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125654.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123001302311 its reverse (113203100321), we get a palindrome (236204402632).

The spelling of 123001302311 in words is "one hundred twenty-three billion, one million, three hundred two thousand, three hundred eleven".