1423408416 has 24 divisors (see below), whose sum is σ = 3736447344. Its totient is φ = 474469440.

The previous prime is 1423408409. The next prime is 1423408433. The reversal of 1423408416 is 6148043241.

It is a tau number, because it is divible by the number of its divisors (24).

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, 7413490 + ... + 7413681.

It is an arithmetic number, because the mean of its divisors is an integer number (155685306).

Almost surely, 2^1423408416 is an apocalyptic number.

1423408416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1423408416 is an abundant number, since it is smaller than the sum of its proper divisors (2313038928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423408416 is a wasteful number, since it uses less digits than its factorization.

1423408416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14827184 (or 14827176 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 1423408416 is about 37728.0852416340. The cubic root of 1423408416 is about 1124.8894484947.

The spelling of 1423408416 in words is "one billion, four hundred twenty-three million, four hundred eight thousand, four hundred sixteen".