123411320 has 32 divisors (see below), whose sum is σ = 281826000. Its totient is φ = 48626688.

The previous prime is 123411311. The next prime is 123411329. The reversal of 123411320 is 23114321.

It is an interprime number because it is at equal distance from previous prime (123411311) and next prime (123411329).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123411329) 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, 20345 + ... + 25704.

Almost surely, 2^123411320 is an apocalyptic number.

123411320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123411320 is an abundant number, since it is smaller than the sum of its proper divisors (158414680).

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

123411320 is a wasteful number, since it uses less digits than its factorization.

123411320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46127 (or 46123 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 123411320 is about 11109.0647671170. The cubic root of 123411320 is about 497.8727222139.

Adding to 123411320 its reverse (23114321), we get a palindrome (146525641).

The spelling of 123411320 in words is "one hundred twenty-three million, four hundred eleven thousand, three hundred twenty".