2013440023 has 4 divisors (see below), whose sum is σ = 2301074320. Its totient is φ = 1725805728.

The previous prime is 2013440021. The next prime is 2013440047. The reversal of 2013440023 is 3200443102.

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 2013440023 - 2¹ = 2013440021 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 (2013440021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143817138 + ... + 143817151.

It is an arithmetic number, because the mean of its divisors is an integer number (575268580).

Almost surely, 2^2013440023 is an apocalyptic number.

2013440023 is a deficient number, since it is larger than the sum of its proper divisors (287634297).

2013440023 is an equidigital number, since it uses as much as digits as its factorization.

2013440023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287634296.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2013440023 is about 44871.3719759046. The cubic root of 2013440023 is about 1262.7369795711.

Adding to 2013440023 its reverse (3200443102), we get a palindrome (5213883125).

The spelling of 2013440023 in words is "two billion, thirteen million, four hundred forty thousand, twenty-three".