1423613663 has 8 divisors (see below), whose sum is σ = 1437042048. Its totient is φ = 1410200064.

The previous prime is 1423613657. The next prime is 1423613699. The reversal of 1423613663 is 3663163241.

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 1423613663 - 2⁸ = 1423613407 is a prime.

It is a super-2 number, since 2×1423613663² = 4053351722960555138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423613063) 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, 317906 + ... + 322352.

It is an arithmetic number, because the mean of its divisors is an integer number (179630256).

Almost surely, 2^1423613663 is an apocalyptic number.

1423613663 is a deficient number, since it is larger than the sum of its proper divisors (13428385).

1423613663 is a wasteful number, since it uses less digits than its factorization.

1423613663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7393.

The product of its digits is 46656, while the sum is 35.

The square root of 1423613663 is about 37730.8052259689. The cubic root of 1423613663 is about 1124.9435133449.

The spelling of 1423613663 in words is "one billion, four hundred twenty-three million, six hundred thirteen thousand, six hundred sixty-three".