123085773 has 12 divisors (see below), whose sum is σ = 183921660. Its totient is φ = 79227456.

The previous prime is 123085759. The next prime is 123085777. The reversal of 123085773 is 377580321.

It can be written as a sum of positive squares in 2 ways, for example, as 25431849 + 97653924 = 5043^2 + 9882^2 .

It is not a de Polignac number, because 123085773 - 2⁸ = 123085517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123085777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235536 + ... + 236057.

It is an arithmetic number, because the mean of its divisors is an integer number (15326805).

Almost surely, 2^123085773 is an apocalyptic number.

It is an amenable number.

123085773 is a deficient number, since it is larger than the sum of its proper divisors (60835887).

123085773 is a wasteful number, since it uses less digits than its factorization.

123085773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471628 (or 471625 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 123085773 is about 11094.4027779777. The cubic root of 123085773 is about 497.4345568488.

It can be divided in two parts, 12308 and 5773, that added together give a palindrome (18081).

The spelling of 123085773 in words is "one hundred twenty-three million, eighty-five thousand, seven hundred seventy-three".