1223203434 has 32 divisors (see below), whose sum is σ = 2563522560. Its totient is φ = 388364592.

The previous prime is 1223203433. The next prime is 1223203439. The reversal of 1223203434 is 4343023221.

It is not an unprimeable number, because it can be changed into a prime (1223203433) 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, 14439 + ... + 51525.

It is an arithmetic number, because the mean of its divisors is an integer number (80110080).

Almost surely, 2^1223203434 is an apocalyptic number.

1223203434 is an abundant number, since it is smaller than the sum of its proper divisors (1340319126).

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

1223203434 is a wasteful number, since it uses less digits than its factorization.

1223203434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37354.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1223203434 is about 34974.3253544654. The cubic root of 1223203434 is about 1069.4641489639.

Adding to 1223203434 its reverse (4343023221), we get a palindrome (5566226655).

The spelling of 1223203434 in words is "one billion, two hundred twenty-three million, two hundred three thousand, four hundred thirty-four".