1234343020 has 12 divisors (see below), whose sum is σ = 2592120384. Its totient is φ = 493737200.

The previous prime is 1234343017. The next prime is 1234343029. The reversal of 1234343020 is 203434321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1234342982 and 1234343000.

It is not an unprimeable number, because it can be changed into a prime (1234343029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30858556 + ... + 30858595.

It is an arithmetic number, because the mean of its divisors is an integer number (216010032).

Almost surely, 2^1234343020 is an apocalyptic number.

1234343020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234343020 is an abundant number, since it is smaller than the sum of its proper divisors (1357777364).

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

1234343020 is a wasteful number, since it uses less digits than its factorization.

1234343020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61717160 (or 61717158 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1234343020 is about 35133.2181845045. The cubic root of 1234343020 is about 1072.7008428064.

Adding to 1234343020 its reverse (203434321), we get a palindrome (1437777341).

The spelling of 1234343020 in words is "one billion, two hundred thirty-four million, three hundred forty-three thousand, twenty".