121123313230434 has 48 divisors (see below), whose sum is σ = 249158425799808. Its totient is φ = 39253630148928.

The previous prime is 121123313230399. The next prime is 121123313230453. The reversal of 121123313230434 is 434032313321121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121123313230395 and 121123313230404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5343852 + ... + 16456104.

It is an arithmetic number, because the mean of its divisors is an integer number (5190800537496).

Almost surely, 2^{121123313230434} is an apocalyptic number.

121123313230434 is an abundant number, since it is smaller than the sum of its proper divisors (128035112569374).

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

121123313230434 is a wasteful number, since it uses less digits than its factorization.

121123313230434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11113659 (or 11113622 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 121123313230434 its reverse (434032313321121), we get a palindrome (555155626551555).

The spelling of 121123313230434 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, three hundred thirteen million, two hundred thirty thousand, four hundred thirty-four".