1072733423 has 4 divisors (see below), whose sum is σ = 1083354648. Its totient is φ = 1062112200.

The previous prime is 1072733353. The next prime is 1072733447. The reversal of 1072733423 is 3243372701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1072733423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072733423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072733323) 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, 5310461 + ... + 5310662.

It is an arithmetic number, because the mean of its divisors is an integer number (270838662).

Almost surely, 2^1072733423 is an apocalyptic number.

1072733423 is a deficient number, since it is larger than the sum of its proper divisors (10621225).

1072733423 is a wasteful number, since it uses less digits than its factorization.

1072733423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621224.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 1072733423 is about 32752.6094074961. The cubic root of 1072733423 is about 1023.6793375512.

The spelling of 1072733423 in words is "one billion, seventy-two million, seven hundred thirty-three thousand, four hundred twenty-three".