1423404038 has 40 divisors (see below), whose sum is σ = 2622072120. Its totient is φ = 577886400.

The previous prime is 1423403963. The next prime is 1423404043. The reversal of 1423404038 is 8304043241.

It is a self number, because there is not a number n which added to its sum of digits gives 1423404038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 83438 + ... + 99038.

It is an arithmetic number, because the mean of its divisors is an integer number (65551803).

Almost surely, 2^1423404038 is an apocalyptic number.

1423404038 is a deficient number, since it is larger than the sum of its proper divisors (1198668082).

1423404038 is an equidigital number, since it uses as much as digits as its factorization.

1423404038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15650 (or 15629 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1423404038 is about 37728.0272211522. The cubic root of 1423404038 is about 1124.8882952134. Note that the first 3 decimals are identical.

Adding to 1423404038 its reverse (8304043241), we get a palindrome (9727447279).

The spelling of 1423404038 in words is "one billion, four hundred twenty-three million, four hundred four thousand, thirty-eight".