122723773 has 2 divisors, whose sum is σ = 122723774. Its totient is φ = 122723772.

The previous prime is 122723771. The next prime is 122723801. The reversal of 122723773 is 377327221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64689849 + 58033924 = 8043^2 + 7618^2 .

It is a cyclic number.

It is not a de Polignac number, because 122723773 - 2¹ = 122723771 is a prime.

It is a super-2 number, since 2×122723773² = 30122248918711058, which contains 22 as substring.

Together with 122723771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122723771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61361886 + 61361887.

It is an arithmetic number, because the mean of its divisors is an integer number (61361887).

Almost surely, 2^122723773 is an apocalyptic number.

It is an amenable number.

122723773 is a deficient number, since it is larger than the sum of its proper divisors (1).

122723773 is an equidigital number, since it uses as much as digits as its factorization.

122723773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696, while the sum is 34.

The square root of 122723773 is about 11078.0762319096. The cubic root of 122723773 is about 496.9464199277.

The spelling of 122723773 in words is "one hundred twenty-two million, seven hundred twenty-three thousand, seven hundred seventy-three".