2123431201 has 8 divisors (see below), whose sum is σ = 2156111360. Its totient is φ = 2090780208.

The previous prime is 2123431187. The next prime is 2123431249. The reversal of 2123431201 is 1021343212.

It is a happy number.

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 2123431201 - 2⁹ = 2123430689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123431501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173440 + ... + 185278.

It is an arithmetic number, because the mean of its divisors is an integer number (269513920).

Almost surely, 2^2123431201 is an apocalyptic number.

It is an amenable number.

2123431201 is a deficient number, since it is larger than the sum of its proper divisors (32680159).

2123431201 is a wasteful number, since it uses less digits than its factorization.

2123431201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14583.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2123431201 is about 46080.7031304862. The cubic root of 2123431201 is about 1285.3243390888.

Adding to 2123431201 its reverse (1021343212), we get a palindrome (3144774413).

The spelling of 2123431201 in words is "two billion, one hundred twenty-three million, four hundred thirty-one thousand, two hundred one".