1232100343 has 4 divisors (see below), whose sum is σ = 1233109008. Its totient is φ = 1231091680.

The previous prime is 1232100329. The next prime is 1232100367. The reversal of 1232100343 is 3430012321.

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 1232100343 - 2²¹ = 1230003191 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 1232100343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232100383) 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, 502498 + ... + 504943.

It is an arithmetic number, because the mean of its divisors is an integer number (308277252).

Almost surely, 2^1232100343 is an apocalyptic number.

1232100343 is a deficient number, since it is larger than the sum of its proper divisors (1008665).

1232100343 is a wasteful number, since it uses less digits than its factorization.

1232100343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008664.

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

The square root of 1232100343 is about 35101.2869137301. The cubic root of 1232100343 is about 1072.0507858055.

Adding to 1232100343 its reverse (3430012321), we get a palindrome (4662112664).

The spelling of 1232100343 in words is "one billion, two hundred thirty-two million, one hundred thousand, three hundred forty-three".