123200773 has 4 divisors (see below), whose sum is σ = 123454240. Its totient is φ = 122947308.

The previous prime is 123200761. The next prime is 123200783. The reversal of 123200773 is 377002321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 377002321 = 17387 ⋅21683.

It is a cyclic number.

It is not a de Polignac number, because 123200773 - 2⁵ = 123200741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123200723) 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, 126003 + ... + 126976.

It is an arithmetic number, because the mean of its divisors is an integer number (30863560).

Almost surely, 2^123200773 is an apocalyptic number.

It is an amenable number.

123200773 is a deficient number, since it is larger than the sum of its proper divisors (253467).

123200773 is an equidigital number, since it uses as much as digits as its factorization.

123200773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253466.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 123200773 is about 11099.5843615876. The cubic root of 123200773 is about 497.5894276250.

The spelling of 123200773 in words is "one hundred twenty-three million, two hundred thousand, seven hundred seventy-three".