616023 has 6 divisors (see below), whose sum is σ = 889824. Its totient is φ = 410676.

The previous prime is 616003. The next prime is 616027. The reversal of 616023 is 320616.

It is a happy number.

616023 is a `hidden beast` number, since 61 + 602 + 3 = 666.

It is not a de Polignac number, because 616023 - 2⁸ = 615767 is a prime.

616023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 615987 and 616005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34215 + ... + 34232.

It is an arithmetic number, because the mean of its divisors is an integer number (148304).

2⁶¹⁶⁰²³ is an apocalyptic number.

616023 is a deficient number, since it is larger than the sum of its proper divisors (273801).

616023 is a wasteful number, since it uses less digits than its factorization.

616023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68453 (or 68450 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 616023 is about 784.8713270339. The cubic root of 616023 is about 85.0874762651.

Adding to 616023 its reverse (320616), we get a palindrome (936639).

It can be divided in two parts, 61 and 6023, that added together give a square (6084 = 78²).

The spelling of 616023 in words is "six hundred sixteen thousand, twenty-three".