123245823 has 8 divisors (see below), whose sum is σ = 165782448. Its totient is φ = 81436544.

The previous prime is 123245821. The next prime is 123245839. The reversal of 123245823 is 328542321.

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 123245823 - 2¹ = 123245821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123245821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181440 + ... + 182117.

It is an arithmetic number, because the mean of its divisors is an integer number (20722806).

Almost surely, 2^123245823 is an apocalyptic number.

123245823 is a deficient number, since it is larger than the sum of its proper divisors (42536625).

123245823 is a wasteful number, since it uses less digits than its factorization.

123245823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363673.

The product of its digits is 11520, while the sum is 30.

The square root of 123245823 is about 11101.6135313746. The cubic root of 123245823 is about 497.6500702964.

The spelling of 123245823 in words is "one hundred twenty-three million, two hundred forty-five thousand, eight hundred twenty-three".