1423375999 has 8 divisors (see below), whose sum is σ = 1536478560. Its totient is φ = 1314541536.

The previous prime is 1423375997. The next prime is 1423376041. The reversal of 1423375999 is 9995733241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1423375999 - 2¹ = 1423375997 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 (1423375997) 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, 1066332 + ... + 1067665.

It is an arithmetic number, because the mean of its divisors is an integer number (192059820).

Almost surely, 2^1423375999 is an apocalyptic number.

1423375999 is a deficient number, since it is larger than the sum of its proper divisors (113102561).

1423375999 is a wasteful number, since it uses less digits than its factorization.

1423375999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134049.

The product of its digits is 1837080, while the sum is 52.

The square root of 1423375999 is about 37727.6556255487. The cubic root of 1423375999 is about 1124.8809089409.

The spelling of 1423375999 in words is "one billion, four hundred twenty-three million, three hundred seventy-five thousand, nine hundred ninety-nine".