123222378 has 8 divisors (see below), whose sum is σ = 246444768. Its totient is φ = 41074124.

The previous prime is 123222373. The next prime is 123222433. The reversal of 123222378 is 873222321.

It is a sphenic number, since it is the product of 3 distinct primes.

123222378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (123222373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10268526 + ... + 10268537.

It is an arithmetic number, because the mean of its divisors is an integer number (30805596).

Almost surely, 2^123222378 is an apocalyptic number.

123222378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123222378 is a wasteful number, since it uses less digits than its factorization.

123222378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20537068.

The product of its digits is 8064, while the sum is 30.

The square root of 123222378 is about 11100.5575535646. The cubic root of 123222378 is about 497.6185123755.

Adding to 123222378 its reverse (873222321), we get a palindrome (996444699).

The spelling of 123222378 in words is "one hundred twenty-three million, two hundred twenty-two thousand, three hundred seventy-eight".