123010231311 has 40 divisors (see below), whose sum is σ = 200514085200. Its totient is φ = 74531957760.

The previous prime is 123010231283. The next prime is 123010231343. The reversal of 123010231311 is 113132010321.

123010231311 is a `hidden beast` number, since 123 + 0 + 1 + 0 + 231 + 311 = 666.

It is not a de Polignac number, because 123010231311 - 2²¹ = 123008134159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123010231111) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3805405 + ... + 3837593.

It is an arithmetic number, because the mean of its divisors is an integer number (5012852130).

Almost surely, 2^123010231311 is an apocalyptic number.

123010231311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123010231311 is a deficient number, since it is larger than the sum of its proper divisors (77503853889).

123010231311 is a wasteful number, since it uses less digits than its factorization.

123010231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36501 (or 36492 counting only the distinct ones).

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

Adding to 123010231311 its reverse (113132010321), we get a palindrome (236142241632).

The spelling of 123010231311 in words is "one hundred twenty-three billion, ten million, two hundred thirty-one thousand, three hundred eleven".