122723583 has 4 divisors (see below), whose sum is σ = 163631448. Its totient is φ = 81815720.

The previous prime is 122723581. The next prime is 122723609. The reversal of 122723583 is 385327221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122723583 - 2¹ = 122723581 is a prime.

It is a super-2 number, since 2×122723583² = 30122155648715778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122723581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20453928 + ... + 20453933.

It is an arithmetic number, because the mean of its divisors is an integer number (40907862).

Almost surely, 2^122723583 is an apocalyptic number.

122723583 is a deficient number, since it is larger than the sum of its proper divisors (40907865).

122723583 is an equidigital number, since it uses as much as digits as its factorization.

122723583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40907864.

The product of its digits is 20160, while the sum is 33.

The square root of 122723583 is about 11078.0676564101. The cubic root of 122723583 is about 496.9461634713.

The spelling of 122723583 in words is "one hundred twenty-two million, seven hundred twenty-three thousand, five hundred eighty-three".