610839923 has 2 divisors, whose sum is σ = 610839924. Its totient is φ = 610839922.

The previous prime is 610839917. The next prime is 610839947. The reversal of 610839923 is 329938016.

610839923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 610839923 - 2⁸ = 610839667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (610859923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305419961 + 305419962.

It is an arithmetic number, because the mean of its divisors is an integer number (305419962).

Almost surely, 2^610839923 is an apocalyptic number.

610839923 is a deficient number, since it is larger than the sum of its proper divisors (1).

610839923 is an equidigital number, since it uses as much as digits as its factorization.

610839923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 610839923 is about 24715.1759653861. The cubic root of 610839923 is about 848.4816830542.

The spelling of 610839923 in words is "six hundred ten million, eight hundred thirty-nine thousand, nine hundred twenty-three".