123240446 has 16 divisors (see below), whose sum is σ = 223697376. Its totient is φ = 49710336.

The previous prime is 123240437. The next prime is 123240449. The reversal of 123240446 is 644042321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123240449) 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, 258671 + ... + 259146.

It is an arithmetic number, because the mean of its divisors is an integer number (13981086).

Almost surely, 2^123240446 is an apocalyptic number.

123240446 is a deficient number, since it is larger than the sum of its proper divisors (100456930).

123240446 is a wasteful number, since it uses less digits than its factorization.

123240446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517843.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 123240446 is about 11101.3713567289. The cubic root of 123240446 is about 497.6428329900.

Adding to 123240446 its reverse (644042321), we get a palindrome (767282767).

The spelling of 123240446 in words is "one hundred twenty-three million, two hundred forty thousand, four hundred forty-six".