123310440211234 has 16 divisors (see below), whose sum is σ = 185238219267360. Its totient is φ = 61564368824640.

The previous prime is 123310440211223. The next prime is 123310440211241. The reversal of 123310440211234 is 432112044013321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123310440211196 and 123310440211205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169418362 + ... + 170144650.

It is an arithmetic number, because the mean of its divisors is an integer number (11577388704210).

Almost surely, 2^{123310440211234} is an apocalyptic number.

123310440211234 is a deficient number, since it is larger than the sum of its proper divisors (61927779056126).

123310440211234 is a wasteful number, since it uses less digits than its factorization.

123310440211234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851265.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 123310440211234 its reverse (432112044013321), we get a palindrome (555422484224555).

The spelling of 123310440211234 in words is "one hundred twenty-three trillion, three hundred ten billion, four hundred forty million, two hundred eleven thousand, two hundred thirty-four".