123032011311 has 48 divisors (see below), whose sum is σ = 195603682560. Its totient is φ = 73900512000.

The previous prime is 123032011279. The next prime is 123032011327. The reversal of 123032011311 is 113110230321.

123032011311 is a `hidden beast` number, since 1 + 2 + 30 + 320 + 1 + 1 + 311 = 666.

It is not a de Polignac number, because 123032011311 - 2⁵ = 123032011279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032011351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5022030 + ... + 5046468.

It is an arithmetic number, because the mean of its divisors is an integer number (4075076720).

Almost surely, 2^123032011311 is an apocalyptic number.

123032011311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123032011311 is a deficient number, since it is larger than the sum of its proper divisors (72571671249).

123032011311 is a wasteful number, since it uses less digits than its factorization.

123032011311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24908 (or 24905 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 123032011311 its reverse (113110230321), we get a palindrome (236142241632).

The spelling of 123032011311 in words is "one hundred twenty-three billion, thirty-two million, eleven thousand, three hundred eleven".