13123000802 has 4 divisors (see below), whose sum is σ = 19684501206. Its totient is φ = 6561500400.

The previous prime is 13123000771. The next prime is 13123000841. The reversal of 13123000802 is 20800032131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13071577561 + 51423241 = 114331^2 + 7171^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280750199 + ... + 3280750202.

Almost surely, 2^13123000802 is an apocalyptic number.

13123000802 is a deficient number, since it is larger than the sum of its proper divisors (6561500404).

13123000802 is an equidigital number, since it uses as much as digits as its factorization.

13123000802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561500403.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13123000802 its reverse (20800032131), we get a palindrome (33923032933).

The spelling of 13123000802 in words is "thirteen billion, one hundred twenty-three million, eight hundred two", and thus it is an aban number.