13700023 has 4 divisors (see below), whose sum is σ = 13958568. Its totient is φ = 13441480.

The previous prime is 13700021. The next prime is 13700039. The reversal of 13700023 is 32000731.

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 13700023 - 2¹ = 13700021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13700021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129193 + ... + 129298.

It is an arithmetic number, because the mean of its divisors is an integer number (3489642).

Almost surely, 2^13700023 is an apocalyptic number.

13700023 is a deficient number, since it is larger than the sum of its proper divisors (258545).

13700023 is an equidigital number, since it uses as much as digits as its factorization.

13700023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258544.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 13700023 is about 3701.3542116366. The cubic root of 13700023 is about 239.2803849750.

Adding to 13700023 its reverse (32000731), we get a palindrome (45700754).

The spelling of 13700023 in words is "thirteen million, seven hundred thousand, twenty-three".