613023 has 8 divisors (see below), whose sum is σ = 821808. Its totient is φ = 406464.

The previous prime is 613013. The next prime is 613049. The reversal of 613023 is 320316.

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

It is not a de Polignac number, because 613023 - 2⁴ = 613007 is a prime.

613023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 612993 and 613011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613013) 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, 261 + ... + 1137.

It is an arithmetic number, because the mean of its divisors is an integer number (102726).

2⁶¹³⁰²³ is an apocalyptic number.

613023 is a deficient number, since it is larger than the sum of its proper divisors (208785).

613023 is a wasteful number, since it uses less digits than its factorization.

613023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113.

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

The square root of 613023 is about 782.9578532718. The cubic root of 613023 is about 84.9491275751.

Adding to 613023 its reverse (320316), we get a palindrome (933339).

The spelling of 613023 in words is "six hundred thirteen thousand, twenty-three".