1423044442 has 16 divisors (see below), whose sum is σ = 2221734240. Its totient is φ = 682767792.

The previous prime is 1423044439. The next prime is 1423044443. The reversal of 1423044442 is 2444403241.

It is a self number, because there is not a number n which added to its sum of digits gives 1423044442.

It is not an unprimeable number, because it can be changed into a prime (1423044443) 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, 65808 + ... + 84715.

It is an arithmetic number, because the mean of its divisors is an integer number (138858390).

Almost surely, 2^1423044442 is an apocalyptic number.

1423044442 is a deficient number, since it is larger than the sum of its proper divisors (798689798).

1423044442 is a wasteful number, since it uses less digits than its factorization.

1423044442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150717.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1423044442 is about 37723.2612853131. The cubic root of 1423044442 is about 1124.7935600131.

Adding to 1423044442 its reverse (2444403241), we get a palindrome (3867447683).

The spelling of 1423044442 in words is "one billion, four hundred twenty-three million, forty-four thousand, four hundred forty-two".