1276672423 has 8 divisors (see below), whose sum is σ = 1422288000. Its totient is φ = 1137829728.

The previous prime is 1276672417. The next prime is 1276672433. The reversal of 1276672423 is 3242766721.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1276672423 - 2¹³ = 1276664231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276672403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692823 + ... + 1693576.

It is an arithmetic number, because the mean of its divisors is an integer number (177786000).

Almost surely, 2^1276672423 is an apocalyptic number.

1276672423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1276672423 is a deficient number, since it is larger than the sum of its proper divisors (145615577).

1276672423 is a wasteful number, since it uses less digits than its factorization.

1276672423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386441.

The product of its digits is 169344, while the sum is 40.

The square root of 1276672423 is about 35730.5530743648. The cubic root of 1276672423 is about 1084.8253516309.

The spelling of 1276672423 in words is "one billion, two hundred seventy-six million, six hundred seventy-two thousand, four hundred twenty-three".