123231103434 has 16 divisors (see below), whose sum is σ = 273846896640. Its totient is φ = 41077034460.

The previous prime is 123231103363. The next prime is 123231103447. The reversal of 123231103434 is 434301132321.

It is a happy number.

123231103434 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 311 + 0 + 343 + 4 = 666.

It is a super-2 number, since 2×123231103434² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123231103398 and 123231103407.

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, 1141028682 + ... + 1141028789.

It is an arithmetic number, because the mean of its divisors is an integer number (17115431040).

Almost surely, 2^123231103434 is an apocalyptic number.

123231103434 is an abundant number, since it is smaller than the sum of its proper divisors (150615793206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123231103434 is a wasteful number, since it uses less digits than its factorization.

123231103434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282057482 (or 2282057476 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 123231103434 its reverse (434301132321), we get a palindrome (557532235755).

The spelling of 123231103434 in words is "one hundred twenty-three billion, two hundred thirty-one million, one hundred three thousand, four hundred thirty-four".