122655623 has 8 divisors (see below), whose sum is σ = 127026816. Its totient is φ = 118310400.

The previous prime is 122655607. The next prime is 122655647. The reversal of 122655623 is 326556221.

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

It is a cyclic number.

It is not a de Polignac number, because 122655623 - 2⁴ = 122655607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122655623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122655653) 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, 3383 + ... + 16023.

It is an arithmetic number, because the mean of its divisors is an integer number (15878352).

Almost surely, 2^122655623 is an apocalyptic number.

122655623 is a deficient number, since it is larger than the sum of its proper divisors (4371193).

122655623 is a wasteful number, since it uses less digits than its factorization.

122655623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12985.

The product of its digits is 21600, while the sum is 32.

The square root of 122655623 is about 11074.9999097065. Note that the first 4 decimals coincide. The cubic root of 122655623 is about 496.8544161034.

The spelling of 122655623 in words is "one hundred twenty-two million, six hundred fifty-five thousand, six hundred twenty-three".