122523320 has 16 divisors (see below), whose sum is σ = 275677560. Its totient is φ = 49009312.

The previous prime is 122523311. The next prime is 122523329. The reversal of 122523320 is 23325221.

It is an interprime number because it is at equal distance from previous prime (122523311) and next prime (122523329).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122523292 and 122523301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122523329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531502 + ... + 1531581.

Almost surely, 2^122523320 is an apocalyptic number.

122523320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122523320 is an abundant number, since it is smaller than the sum of its proper divisors (153154240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122523320 is a wasteful number, since it uses less digits than its factorization.

122523320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063094 (or 3063090 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 122523320 is about 11069.0252506714. The cubic root of 122523320 is about 496.6757071359.

Adding to 122523320 its reverse (23325221), we get a palindrome (145848541).

The spelling of 122523320 in words is "one hundred twenty-two million, five hundred twenty-three thousand, three hundred twenty".