13204232534 has 4 divisors (see below), whose sum is σ = 19806348804. Its totient is φ = 6602116266.

The previous prime is 13204232521. The next prime is 13204232543. The reversal of 13204232534 is 43523240231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43523240231 = 7433 ⋅5855407.

It is a super-2 number, since 2×13204232534² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13204232497 and 13204232506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3301058132 + ... + 3301058135.

It is an arithmetic number, because the mean of its divisors is an integer number (4951587201).

Almost surely, 2^13204232534 is an apocalyptic number.

13204232534 is a deficient number, since it is larger than the sum of its proper divisors (6602116270).

13204232534 is an equidigital number, since it uses as much as digits as its factorization.

13204232534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6602116269.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 13204232534 its reverse (43523240231), we get a palindrome (56727472765).

The spelling of 13204232534 in words is "thirteen billion, two hundred four million, two hundred thirty-two thousand, five hundred thirty-four".