123115416 has 16 divisors (see below), whose sum is σ = 307788600. Its totient is φ = 41038464.

The previous prime is 123115409. The next prime is 123115423. The reversal of 123115416 is 614511321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123115409) and next prime (123115423).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5129809 = 123115416 / (1 + 2 + 3 + 1 + 1 + 5 + 4 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564881 + ... + 2564928.

Almost surely, 2^123115416 is an apocalyptic number.

It is an amenable number.

123115416 is an abundant number, since it is smaller than the sum of its proper divisors (184673184).

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

123115416 is a wasteful number, since it uses less digits than its factorization.

123115416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129818 (or 5129814 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 123115416 is about 11095.7386414785. The cubic root of 123115416 is about 497.4744863729.

Adding to 123115416 its reverse (614511321), we get a palindrome (737626737).

The spelling of 123115416 in words is "one hundred twenty-three million, one hundred fifteen thousand, four hundred sixteen".