1201230343 has 4 divisors (see below), whose sum is σ = 1203277320. Its totient is φ = 1199183368.

The previous prime is 1201230301. The next prime is 1201230379. The reversal of 1201230343 is 3430321021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201230343 - 2¹⁷ = 1201099271 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 1201230343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201233343) 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, 1022608 + ... + 1023781.

It is an arithmetic number, because the mean of its divisors is an integer number (300819330).

Almost surely, 2^1201230343 is an apocalyptic number.

1201230343 is a deficient number, since it is larger than the sum of its proper divisors (2046977).

1201230343 is an equidigital number, since it uses as much as digits as its factorization.

1201230343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046976.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1201230343 is about 34658.7700733884. The cubic root of 1201230343 is about 1063.0216213923.

Adding to 1201230343 its reverse (3430321021), we get a palindrome (4631551364).

The spelling of 1201230343 in words is "one billion, two hundred one million, two hundred thirty thousand, three hundred forty-three".