1172453423 has 2 divisors, whose sum is σ = 1172453424. Its totient is φ = 1172453422.

The previous prime is 1172453419. The next prime is 1172453461. The reversal of 1172453423 is 3243542711.

It is a weak prime.

It is an emirp because it is prime and its reverse (3243542711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1172453423 - 2² = 1172453419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1172453423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1172453413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586226711 + 586226712.

It is an arithmetic number, because the mean of its divisors is an integer number (586226712).

Almost surely, 2^1172453423 is an apocalyptic number.

1172453423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172453423 is an equidigital number, since it uses as much as digits as its factorization.

1172453423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 1172453423 is about 34241.1072104861. The cubic root of 1172453423 is about 1054.4642647320.

The spelling of 1172453423 in words is "one billion, one hundred seventy-two million, four hundred fifty-three thousand, four hundred twenty-three".