123822805 has 8 divisors (see below), whose sum is σ = 148816800. Its totient is φ = 98905296.

The previous prime is 123822799. The next prime is 123822821. The reversal of 123822805 is 508228321.

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 123822805 - 2²³ = 115434197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15495 + ... + 22084.

It is an arithmetic number, because the mean of its divisors is an integer number (18602100).

Almost surely, 2^123822805 is an apocalyptic number.

It is an amenable number.

123822805 is a deficient number, since it is larger than the sum of its proper divisors (24993995).

123822805 is an equidigital number, since it uses as much as digits as its factorization.

123822805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38243.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 123822805 is about 11127.5695908855. The cubic root of 123822805 is about 498.4254534780.

The spelling of 123822805 in words is "one hundred twenty-three million, eight hundred twenty-two thousand, eight hundred five".