2013423023 has 4 divisors (see below), whose sum is σ = 2013549048. Its totient is φ = 2013297000.

The previous prime is 2013423017. The next prime is 2013423031. The reversal of 2013423023 is 3203243102.

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 2013423023 - 2⁴ = 2013423007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013422986 and 2013423004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013423053) 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, 34853 + ... + 72398.

It is an arithmetic number, because the mean of its divisors is an integer number (503387262).

Almost surely, 2^2013423023 is an apocalyptic number.

2013423023 is a deficient number, since it is larger than the sum of its proper divisors (126025).

2013423023 is a wasteful number, since it uses less digits than its factorization.

2013423023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126024.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2013423023 is about 44871.1825451481. The cubic root of 2013423023 is about 1262.7334256883.

Adding to 2013423023 its reverse (3203243102), we get a palindrome (5216666125).

The spelling of 2013423023 in words is "two billion, thirteen million, four hundred twenty-three thousand, twenty-three".