1423230646 has 8 divisors (see below), whose sum is σ = 2203712064. Its totient is φ = 688659960.

The previous prime is 1423230643. The next prime is 1423230671. The reversal of 1423230646 is 6460323241.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423230643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11477605 + ... + 11477728.

It is an arithmetic number, because the mean of its divisors is an integer number (275464008).

Almost surely, 2^1423230646 is an apocalyptic number.

1423230646 is a deficient number, since it is larger than the sum of its proper divisors (780481418).

1423230646 is a wasteful number, since it uses less digits than its factorization.

1423230646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22955366.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 1423230646 is about 37725.7292308578. The cubic root of 1423230646 is about 1124.8426172596.

Adding to 1423230646 its reverse (6460323241), we get a palindrome (7883553887).

The spelling of 1423230646 in words is "one billion, four hundred twenty-three million, two hundred thirty thousand, six hundred forty-six".