1423138783 has 16 divisors (see below), whose sum is σ = 1578592800. Its totient is φ = 1272208000.

The previous prime is 1423138757. The next prime is 1423138789. The reversal of 1423138783 is 3878313241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1423138783 - 2⁵ = 1423138751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423138789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161241 + ... + 169837.

It is an arithmetic number, because the mean of its divisors is an integer number (98662050).

Almost surely, 2^1423138783 is an apocalyptic number.

1423138783 is a deficient number, since it is larger than the sum of its proper divisors (155454017).

1423138783 is a wasteful number, since it uses less digits than its factorization.

1423138783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8858.

The product of its digits is 96768, while the sum is 40.

The square root of 1423138783 is about 37724.5116999544. The cubic root of 1423138783 is about 1124.8184155977.

The spelling of 1423138783 in words is "one billion, four hundred twenty-three million, one hundred thirty-eight thousand, seven hundred eighty-three".