431204334542323 has 4 divisors (see below), whose sum is σ = 431257655229840. Its totient is φ = 431151013854808.

The previous prime is 431204334542297. The next prime is 431204334542341. The reversal of 431204334542323 is 323245433402134.

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 431204334542323 - 2⁴¹ = 429005311286771 is a prime.

It is a super-2 number, since 2×431204334542323² (a number of 30 digits) contains 22 as substring.

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 431204334542323.

It is not an unprimeable number, because it can be changed into a prime (431204334942323) 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, 26660331628 + ... + 26660347801.

It is an arithmetic number, because the mean of its divisors is an integer number (107814413807460).

Almost surely, 2^{431204334542323} is an apocalyptic number.

431204334542323 is a deficient number, since it is larger than the sum of its proper divisors (53320687517).

431204334542323 is an equidigital number, since it uses as much as digits as its factorization.

431204334542323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53320687516.

The product of its (nonzero) digits is 2488320, while the sum is 43.

Adding to 431204334542323 its reverse (323245433402134), we get a palindrome (754449767944457).

The spelling of 431204334542323 in words is "four hundred thirty-one trillion, two hundred four billion, three hundred thirty-four million, five hundred forty-two thousand, three hundred twenty-three".