123434121102 has 64 divisors (see below), whose sum is σ = 259548530688. Its totient is φ = 39083184000.

The previous prime is 123434121077. The next prime is 123434121233. The reversal of 123434121102 is 201121434321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5559808 + ... + 5581964.

It is an arithmetic number, because the mean of its divisors is an integer number (4055445792).

Almost surely, 2^123434121102 is an apocalyptic number.

123434121102 is an abundant number, since it is smaller than the sum of its proper divisors (136114409586).

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

123434121102 is a wasteful number, since it uses less digits than its factorization.

123434121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22745.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 123434121102 its reverse (201121434321), we get a palindrome (324555555423).

The spelling of 123434121102 in words is "one hundred twenty-three billion, four hundred thirty-four million, one hundred twenty-one thousand, one hundred two".