123031344 has 20 divisors (see below), whose sum is σ = 317831096. Its totient is φ = 41010432.

The previous prime is 123031339. The next prime is 123031373. The reversal of 123031344 is 443130321.

It is a self number, because there is not a number n which added to its sum of digits gives 123031344.

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, 1281529 + ... + 1281624.

Almost surely, 2^123031344 is an apocalyptic number.

It is an amenable number.

123031344 is an abundant number, since it is smaller than the sum of its proper divisors (194799752).

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

123031344 is a wasteful number, since it uses less digits than its factorization.

123031344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563164 (or 2563158 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 123031344 is about 11091.9495130477. The cubic root of 123031344 is about 497.3612235499.

Adding to 123031344 its reverse (443130321), we get a palindrome (566161665).

The spelling of 123031344 in words is "one hundred twenty-three million, thirty-one thousand, three hundred forty-four".