123031416 has 32 divisors (see below), whose sum is σ = 320952960. Its totient is φ = 39227232.

The previous prime is 123031409. The next prime is 123031417. The reversal of 123031416 is 614130321.

It is a junction number, because it is equal to n+sod(n) for n = 123031392 and 123031401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031417) 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, 110890 + ... + 111993.

It is an arithmetic number, because the mean of its divisors is an integer number (10029780).

Almost surely, 2^123031416 is an apocalyptic number.

It is an amenable number.

123031416 is an abundant number, since it is smaller than the sum of its proper divisors (197921544).

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

123031416 is a wasteful number, since it uses less digits than its factorization.

123031416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222915 (or 222911 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 123031416 is about 11091.9527586444. The cubic root of 123031416 is about 497.3613205713.

Adding to 123031416 its reverse (614130321), we get a palindrome (737161737).

The spelling of 123031416 in words is "one hundred twenty-three million, thirty-one thousand, four hundred sixteen".