1423635672 has 16 divisors (see below), whose sum is σ = 3559089240. Its totient is φ = 474545216.

The previous prime is 1423635659. The next prime is 1423635677. The reversal of 1423635672 is 2765363241.

It is a self number, because there is not a number n which added to its sum of digits gives 1423635672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423635677) 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 3 ways as a sum of consecutive naturals, for example, 29659053 + ... + 29659100.

Almost surely, 2^1423635672 is an apocalyptic number.

1423635672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1423635672 is an abundant number, since it is smaller than the sum of its proper divisors (2135453568).

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

1423635672 is a wasteful number, since it uses less digits than its factorization.

1423635672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59318162 (or 59318158 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 1423635672 is about 37731.0968830751. The cubic root of 1423635672 is about 1124.9493105062.

The spelling of 1423635672 in words is "one billion, four hundred twenty-three million, six hundred thirty-five thousand, six hundred seventy-two".