1423887320 has 16 divisors (see below), whose sum is σ = 3203746560. Its totient is φ = 569554912.

The previous prime is 1423887313. The next prime is 1423887329. The reversal of 1423887320 is 237883241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423887329) 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, 17798552 + ... + 17798631.

It is an arithmetic number, because the mean of its divisors is an integer number (200234160).

Almost surely, 2^1423887320 is an apocalyptic number.

1423887320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423887320 is an abundant number, since it is smaller than the sum of its proper divisors (1779859240).

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

1423887320 is a wasteful number, since it uses less digits than its factorization.

1423887320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35597194 (or 35597190 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 1423887320 is about 37734.4314916761. The cubic root of 1423887320 is about 1125.0155902366.

The spelling of 1423887320 in words is "one billion, four hundred twenty-three million, eight hundred eighty-seven thousand, three hundred twenty".