13120023 has 8 divisors (see below), whose sum is σ = 19992448. Its totient is φ = 7497144.

The previous prime is 13119983. The next prime is 13120057. The reversal of 13120023 is 32002131.

It is a happy number.

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

It is not a de Polignac number, because 13120023 - 2⁹ = 13119511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13119990 and 13120008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312361 + ... + 312402.

It is an arithmetic number, because the mean of its divisors is an integer number (2499056).

Almost surely, 2^13120023 is an apocalyptic number.

13120023 is a deficient number, since it is larger than the sum of its proper divisors (6872425).

13120023 is an equidigital number, since it uses as much as digits as its factorization.

13120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624773.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13120023 is about 3622.1572301599. The cubic root of 13120023 is about 235.8548794204.

Adding to 13120023 its reverse (32002131), we get a palindrome (45122154).

The spelling of 13120023 in words is "thirteen million, one hundred twenty thousand, twenty-three".