123411442 has 32 divisors (see below), whose sum is σ = 232012800. Its totient is φ = 47828880.

The previous prime is 123411437. The next prime is 123411461. The reversal of 123411442 is 244114321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28633 + ... + 32659.

It is an arithmetic number, because the mean of its divisors is an integer number (7250400).

Almost surely, 2^123411442 is an apocalyptic number.

123411442 is a deficient number, since it is larger than the sum of its proper divisors (108601358).

123411442 is a wasteful number, since it uses less digits than its factorization.

123411442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246.

The product of its digits is 768, while the sum is 22.

The square root of 123411442 is about 11109.0702581269. The cubic root of 123411442 is about 497.8728862735.

Adding to 123411442 its reverse (244114321), we get a palindrome (367525763).

The spelling of 123411442 in words is "one hundred twenty-three million, four hundred eleven thousand, four hundred forty-two".