123011131101131 has 8 divisors (see below), whose sum is σ = 151398315201504. Its totient is φ = 97327488343680.

The previous prime is 123011131101127. The next prime is 123011131101143. The reversal of 123011131101131 is 131101131110321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123011131101131 - 2² = 123011131101127 is a prime.

It is a super-2 number, since 2×123011131101131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123011131101181) 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, 675885335630 + ... + 675885335811.

It is an arithmetic number, because the mean of its divisors is an integer number (18924789400188).

Almost surely, 2^{123011131101131} is an apocalyptic number.

123011131101131 is a deficient number, since it is larger than the sum of its proper divisors (28387184100373).

123011131101131 is a wasteful number, since it uses less digits than its factorization.

123011131101131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351770671461.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 123011131101131 its reverse (131101131110321), we get a palindrome (254112262211452).

The spelling of 123011131101131 in words is "one hundred twenty-three trillion, eleven billion, one hundred thirty-one million, one hundred one thousand, one hundred thirty-one".