123002320 has 40 divisors (see below), whose sum is σ = 326836224. Its totient is φ = 42172032.

The previous prime is 123002267. The next prime is 123002323. The reversal of 123002320 is 23200321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 123002320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123002323) 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, 109264 + ... + 110383.

Almost surely, 2^123002320 is an apocalyptic number.

123002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123002320 is an abundant number, since it is smaller than the sum of its proper divisors (203833904).

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

123002320 is a wasteful number, since it uses less digits than its factorization.

123002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219667 (or 219661 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 123002320 is about 11090.6410995938. The cubic root of 123002320 is about 497.3221100824.

Adding to 123002320 its reverse (23200321), we get a palindrome (146202641).

The spelling of 123002320 in words is "one hundred twenty-three million, two thousand, three hundred twenty".