610408823 has 4 divisors (see below), whose sum is σ = 610486968. Its totient is φ = 610330680.

The previous prime is 610408811. The next prime is 610408831. The reversal of 610408823 is 328804016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 610408823 - 2⁶ = 610408759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 610408823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610408853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25868 + ... + 43473.

It is an arithmetic number, because the mean of its divisors is an integer number (152621742).

Almost surely, 2^610408823 is an apocalyptic number.

610408823 is a deficient number, since it is larger than the sum of its proper divisors (78145).

610408823 is an equidigital number, since it uses as much as digits as its factorization.

610408823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78144.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 610408823 is about 24706.4530639264. The cubic root of 610408823 is about 848.2820308904.

The spelling of 610408823 in words is "six hundred ten million, four hundred eight thousand, eight hundred twenty-three".