1273423464 has 32 divisors (see below), whose sum is σ = 3537288000. Its totient is φ = 424474416.

The previous prime is 1273423447. The next prime is 1273423483. The reversal of 1273423464 is 4643243721.

1273423464 is a `hidden beast` number, since 1 + 273 + 42 + 346 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2947524 + ... + 2947955.

It is an arithmetic number, because the mean of its divisors is an integer number (110540250).

Almost surely, 2^1273423464 is an apocalyptic number.

It is an amenable number.

1273423464 is an abundant number, since it is smaller than the sum of its proper divisors (2263864536).

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

1273423464 is a wasteful number, since it uses less digits than its factorization.

1273423464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895494 (or 5895484 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 1273423464 is about 35685.0593946542. The cubic root of 1273423464 is about 1083.9043251933.

The spelling of 1273423464 in words is "one billion, two hundred seventy-three million, four hundred twenty-three thousand, four hundred sixty-four".