123080823 has 8 divisors (see below), whose sum is σ = 182342000. Its totient is φ = 82053864.

The previous prime is 123080821. The next prime is 123080851. The reversal of 123080823 is 328080321.

It is not a de Polignac number, because 123080823 - 2¹ = 123080821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4558549 = 123080823 / (1 + 2 + 3 + 0 + 8 + 0 + 8 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123080821) 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, 2279248 + ... + 2279301.

It is an arithmetic number, because the mean of its divisors is an integer number (22792750).

Almost surely, 2^123080823 is an apocalyptic number.

123080823 is a deficient number, since it is larger than the sum of its proper divisors (59261177).

123080823 is an equidigital number, since it uses as much as digits as its factorization.

123080823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558558 (or 4558552 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 123080823 is about 11094.1796902700. The cubic root of 123080823 is about 497.4278885069.

The spelling of 123080823 in words is "one hundred twenty-three million, eighty thousand, eight hundred twenty-three".