122723783 has 48 divisors (see below), whose sum is σ = 163021824. Its totient is φ = 91445760.

The previous prime is 122723773. The next prime is 122723801. The reversal of 122723783 is 387327221.

It is a happy number.

It is not a de Polignac number, because 122723783 - 2¹⁰ = 122722759 is a prime.

It is a super-2 number, since 2×122723783² = 30122253827662178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122723723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 966266 + ... + 966392.

It is an arithmetic number, because the mean of its divisors is an integer number (3396288).

Almost surely, 2^122723783 is an apocalyptic number.

122723783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122723783 is a deficient number, since it is larger than the sum of its proper divisors (40298041).

122723783 is a wasteful number, since it uses less digits than its factorization.

122723783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 225 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 122723783 is about 11078.0766832515. The cubic root of 122723783 is about 496.9464334254.

The spelling of 122723783 in words is "one hundred twenty-two million, seven hundred twenty-three thousand, seven hundred eighty-three".