16323103434 has 64 divisors (see below), whose sum is σ = 36618946560. Its totient is φ = 4807728000.

The previous prime is 16323103411. The next prime is 16323103439. The reversal of 16323103434 is 43430132361.

It is not an unprimeable number, because it can be changed into a prime (16323103439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 722197 + ... + 744455.

It is an arithmetic number, because the mean of its divisors is an integer number (572171040).

Almost surely, 2^16323103434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16323103434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18309473280).

16323103434 is an abundant number, since it is smaller than the sum of its proper divisors (20295843126).

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

16323103434 is a wasteful number, since it uses less digits than its factorization.

16323103434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22587.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 16323103434 its reverse (43430132361), we get a palindrome (59753235795).

The spelling of 16323103434 in words is "sixteen billion, three hundred twenty-three million, one hundred three thousand, four hundred thirty-four".