122205723 has 8 divisors (see below), whose sum is σ = 165173328. Its totient is φ = 80354304.

The previous prime is 122205703. The next prime is 122205737. The reversal of 122205723 is 327502221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122205723 - 2⁵ = 122205691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122205693 and 122205702.

It is not an unprimeable number, because it can be changed into a prime (122205703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278790 + ... + 279227.

It is an arithmetic number, because the mean of its divisors is an integer number (20646666).

Almost surely, 2^122205723 is an apocalyptic number.

122205723 is a deficient number, since it is larger than the sum of its proper divisors (42967605).

122205723 is an equidigital number, since it uses as much as digits as its factorization.

122205723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558093.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 122205723 is about 11054.6697372649. The cubic root of 122205723 is about 496.2461856157.

Adding to 122205723 its reverse (327502221), we get a palindrome (449707944).

The spelling of 122205723 in words is "one hundred twenty-two million, two hundred five thousand, seven hundred twenty-three".