1423421412234 has 32 divisors (see below), whose sum is σ = 2901497837760. Its totient is φ = 465370444032.

The previous prime is 1423421412233. The next prime is 1423421412277. The reversal of 1423421412234 is 4322141243241.

It is a super-2 number, since 2×1423421412234² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423421412195 and 1423421412204.

It is not an unprimeable number, because it can be changed into a prime (1423421412233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257769 + ... + 1706835.

It is an arithmetic number, because the mean of its divisors is an integer number (90671807430).

Almost surely, 2^{1423421412234} is an apocalyptic number.

1423421412234 is an abundant number, since it is smaller than the sum of its proper divisors (1478076425526).

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

1423421412234 is a wasteful number, since it uses less digits than its factorization.

1423421412234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452214.

The product of its digits is 36864, while the sum is 33.

Adding to 1423421412234 its reverse (4322141243241), we get a palindrome (5745562655475).

The spelling of 1423421412234 in words is "one trillion, four hundred twenty-three billion, four hundred twenty-one million, four hundred twelve thousand, two hundred thirty-four".