611923 has 8 divisors (see below), whose sum is σ = 666848. Its totient is φ = 558144.

The previous prime is 611921. The next prime is 611927. The reversal of 611923 is 329116.

611923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 611923 - 2¹ = 611921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611894 and 611903.

It is not an unprimeable number, because it can be changed into a prime (611921) 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, 1111 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (83356).

2⁶¹¹⁹²³ is an apocalyptic number.

611923 is a deficient number, since it is larger than the sum of its proper divisors (54925).

611923 is a wasteful number, since it uses less digits than its factorization.

611923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its digits is 324, while the sum is 22.

The square root of 611923 is about 782.2550734895. The cubic root of 611923 is about 84.8982866400.

The spelling of 611923 in words is "six hundred eleven thousand, nine hundred twenty-three".