612923 has 2 divisors, whose sum is σ = 612924. Its totient is φ = 612922.

The previous prime is 612889. The next prime is 612929. The reversal of 612923 is 329216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612923 - 2¹⁶ = 547387 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 1 + 9 + 2¹¹ + 2¹⁵ + 3¹² .

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (612929) 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 as a sum of consecutive naturals, namely, 306461 + 306462.

It is an arithmetic number, because the mean of its divisors is an integer number (306462).

2⁶¹²⁹²³ is an apocalyptic number.

612923 is a deficient number, since it is larger than the sum of its proper divisors (1).

612923 is an equidigital number, since it uses as much as digits as its factorization.

612923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 612923 is about 782.8939902694. The cubic root of 612923 is about 84.9445081863.

The spelling of 612923 in words is "six hundred twelve thousand, nine hundred twenty-three".