13123034402 has 8 divisors (see below), whose sum is σ = 19688162076. Its totient is φ = 6560313712.

The previous prime is 13123034401. The next prime is 13123034447. The reversal of 13123034402 is 20443032131.

It can be written as a sum of positive squares in 2 ways, for example, as 7431991681 + 5691042721 = 86209^2 + 75439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13123034401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588053 + ... + 609960.

Almost surely, 2^13123034402 is an apocalyptic number.

13123034402 is a deficient number, since it is larger than the sum of its proper divisors (6565127674).

13123034402 is a wasteful number, since it uses less digits than its factorization.

13123034402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203492.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13123034402 its reverse (20443032131), we get a palindrome (33566066533).

The spelling of 13123034402 in words is "thirteen billion, one hundred twenty-three million, thirty-four thousand, four hundred two".