1423646216 has 16 divisors (see below), whose sum is σ = 2678773200. Its totient is φ = 709306704.

The previous prime is 1423646171. The next prime is 1423646227. The reversal of 1423646216 is 6126463241.

It is a super-2 number, since 2×1423646216² = 4053537096662237312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312146 + ... + 316673.

It is an arithmetic number, because the mean of its divisors is an integer number (167423325).

Almost surely, 2^1423646216 is an apocalyptic number.

It is an amenable number.

1423646216 is a deficient number, since it is larger than the sum of its proper divisors (1255126984).

1423646216 is a wasteful number, since it uses less digits than its factorization.

1423646216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629108 (or 629104 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 1423646216 is about 37731.2366084124. The cubic root of 1423646216 is about 1124.9520877702.

The spelling of 1423646216 in words is "one billion, four hundred twenty-three million, six hundred forty-six thousand, two hundred sixteen".