13123113023002 has 4 divisors (see below), whose sum is σ = 19684669534506. Its totient is φ = 6561556511500.

The previous prime is 13123113022951. The next prime is 13123113023017. The reversal of 13123113023002 is 20032031132131.

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., 13077705248721 + 45407774281 = 3616311^2 + 213091^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280778255749 + ... + 3280778255752.

Almost surely, 2^{13123113023002} is an apocalyptic number.

13123113023002 is a deficient number, since it is larger than the sum of its proper divisors (6561556511504).

13123113023002 is an equidigital number, since it uses as much as digits as its factorization.

13123113023002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561556511503.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13123113023002 its reverse (20032031132131), we get a palindrome (33155144155133).

The spelling of 13123113023002 in words is "thirteen trillion, one hundred twenty-three billion, one hundred thirteen million, twenty-three thousand, two".