123345142311 has 8 divisors (see below), whose sum is σ = 165755152384. Its totient is φ = 81582613560.

The previous prime is 123345142213. The next prime is 123345142313. The reversal of 123345142311 is 113241543321.

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

It is not a de Polignac number, because 123345142311 - 2¹⁸ = 123344880167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123345142313) 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, 161869885 + ... + 161870646.

It is an arithmetic number, because the mean of its divisors is an integer number (20719394048).

Almost surely, 2^123345142311 is an apocalyptic number.

123345142311 is a deficient number, since it is larger than the sum of its proper divisors (42410010073).

123345142311 is a wasteful number, since it uses less digits than its factorization.

123345142311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323740661.

The product of its digits is 8640, while the sum is 30.

Adding to 123345142311 its reverse (113241543321), we get a palindrome (236586685632).

The spelling of 123345142311 in words is "one hundred twenty-three billion, three hundred forty-five million, one hundred forty-two thousand, three hundred eleven".