612623 has 12 divisors (see below), whose sum is σ = 692664. Its totient is φ = 541200.

The previous prime is 612613. The next prime is 612637. The reversal of 612623 is 326216.

612623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612623 - 2¹² = 608527 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 612595 and 612604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7340 + ... + 7422.

It is an arithmetic number, because the mean of its divisors is an integer number (57722).

2⁶¹²⁶²³ is an apocalyptic number.

612623 is a deficient number, since it is larger than the sum of its proper divisors (80041).

612623 is a wasteful number, since it uses less digits than its factorization.

612623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 155 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 612623 is about 782.7023699977. The cubic root of 612623 is about 84.9306470046.

Adding to 612623 its reverse (326216), we get a palindrome (938839).

The spelling of 612623 in words is "six hundred twelve thousand, six hundred twenty-three".