1197723443 has 8 divisors (see below), whose sum is σ = 1372642560. Its totient is φ = 1023758280.

The previous prime is 1197723427. The next prime is 1197723473. The reversal of 1197723443 is 3443277911.

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 1197723443 - 2⁴ = 1197723427 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 1197723443.

It is not an unprimeable number, because it can be changed into a prime (1197723473) 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, 235793 + ... + 240818.

It is an arithmetic number, because the mean of its divisors is an integer number (171580320).

Almost surely, 2^1197723443 is an apocalyptic number.

1197723443 is a deficient number, since it is larger than the sum of its proper divisors (174919117).

1197723443 is an equidigital number, since it uses as much as digits as its factorization.

1197723443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476977.

The product of its digits is 127008, while the sum is 41.

The square root of 1197723443 is about 34608.1412820741. The cubic root of 1197723443 is about 1061.9861429974.

The spelling of 1197723443 in words is "one billion, one hundred ninety-seven million, seven hundred twenty-three thousand, four hundred forty-three".