1423763928 has 48 divisors (see below), whose sum is σ = 3921395400. Its totient is φ = 466542720.

The previous prime is 1423763921. The next prime is 1423763977. The reversal of 1423763928 is 8293673241.

1423763928 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 7 + 639 + 2 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423763921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163333 + ... + 171828.

Almost surely, 2^1423763928 is an apocalyptic number.

1423763928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1423763928 is an abundant number, since it is smaller than the sum of its proper divisors (2497631472).

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

1423763928 is a wasteful number, since it uses less digits than its factorization.

1423763928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335232 (or 335225 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 1423763928 is about 37732.7964508331. The cubic root of 1423763928 is about 1124.9830918940.

The spelling of 1423763928 in words is "one billion, four hundred twenty-three million, seven hundred sixty-three thousand, nine hundred twenty-eight".