623013 has 4 divisors (see below), whose sum is σ = 830688. Its totient is φ = 415340.

The previous prime is 623009. The next prime is 623017. The reversal of 623013 is 310326.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (623009) and next prime (623017).

It is a cyclic number.

It is not a de Polignac number, because 623013 - 2² = 623009 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 622983 and 623001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623017) 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, 103833 + ... + 103838.

It is an arithmetic number, because the mean of its divisors is an integer number (207672).

2⁶²³⁰¹³ is an apocalyptic number.

It is an amenable number.

623013 is a deficient number, since it is larger than the sum of its proper divisors (207675).

623013 is a wasteful number, since it uses less digits than its factorization.

623013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207674.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 623013 is about 789.3117254925. The cubic root of 623013 is about 85.4080952203.

Adding to 623013 its reverse (310326), we get a palindrome (933339).

The spelling of 623013 in words is "six hundred twenty-three thousand, thirteen".