121423413310234 has 32 divisors (see below), whose sum is σ = 212745611088000. Its totient is φ = 51954536692800.

The previous prime is 121423413310231. The next prime is 121423413310267. The reversal of 121423413310234 is 432013314324121.

It is a happy number.

It is a super-2 number, since 2×121423413310234² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121423413310234.

It is not an unprimeable number, because it can be changed into a prime (121423413310231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142549567 + ... + 143398834.

It is an arithmetic number, because the mean of its divisors is an integer number (6648300346500).

Almost surely, 2^{121423413310234} is an apocalyptic number.

121423413310234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121423413310234 is a deficient number, since it is larger than the sum of its proper divisors (91322197777766).

121423413310234 is an equidigital number, since it uses as much as digits as its factorization.

121423413310234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285949043 (or 285949029 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 121423413310234 its reverse (432013314324121), we get a palindrome (553436727634355).

The spelling of 121423413310234 in words is "one hundred twenty-one trillion, four hundred twenty-three billion, four hundred thirteen million, three hundred ten thousand, two hundred thirty-four".