123042416 has 20 divisors (see below), whose sum is σ = 272451312. Its totient is φ = 52732416.

The previous prime is 123042397. The next prime is 123042443. The reversal of 123042416 is 614240321.

It is a super-2 number, since 2×123042416² = 30278872270234112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123042391 and 123042400.

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, 549185 + ... + 549408.

Almost surely, 2^123042416 is an apocalyptic number.

123042416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123042416 is an abundant number, since it is smaller than the sum of its proper divisors (149408896).

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

123042416 is a wasteful number, since it uses less digits than its factorization.

123042416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098608 (or 1098602 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 123042416 is about 11092.4486025404. The cubic root of 123042416 is about 497.3761428328.

Adding to 123042416 its reverse (614240321), we get a palindrome (737282737).

The spelling of 123042416 in words is "one hundred twenty-three million, forty-two thousand, four hundred sixteen".