123030001311 has 16 divisors (see below), whose sum is σ = 187483881984. Its totient is φ = 70299260064.

The previous prime is 123030001309. The next prime is 123030001337. The reversal of 123030001311 is 113100030321.

It is not a de Polignac number, because 123030001311 - 2¹ = 123030001309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123030001301) 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, 301870 + ... + 580676.

It is an arithmetic number, because the mean of its divisors is an integer number (11717742624).

Almost surely, 2^123030001311 is an apocalyptic number.

123030001311 is a deficient number, since it is larger than the sum of its proper divisors (64453880673).

123030001311 is a wasteful number, since it uses less digits than its factorization.

123030001311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299830.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 123030001311 its reverse (113100030321), we get a palindrome (236130031632).

The spelling of 123030001311 in words is "one hundred twenty-three billion, thirty million, one thousand, three hundred eleven".