13120023021023 has 4 divisors (see below), whose sum is σ = 13122516853128. Its totient is φ = 13117529188920.

The previous prime is 13120023020903. The next prime is 13120023021043. The reversal of 13120023021023 is 32012032002131.

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

It is a cyclic number.

It is not a de Polignac number, because 13120023021023 - 2⁴² = 8721976509919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13120023020986 and 13120023021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120023021043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246908161 + ... + 1246918682.

It is an arithmetic number, because the mean of its divisors is an integer number (3280629213282).

Almost surely, 2^{13120023021023} is an apocalyptic number.

13120023021023 is a deficient number, since it is larger than the sum of its proper divisors (2493832105).

13120023021023 is an equidigital number, since it uses as much as digits as its factorization.

13120023021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493832104.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13120023021023 its reverse (32012032002131), we get a palindrome (45132055023154).

The spelling of 13120023021023 in words is "thirteen trillion, one hundred twenty billion, twenty-three million, twenty-one thousand, twenty-three".