431401121223 has 16 divisors (see below), whose sum is σ = 576264386016. Its totient is φ = 287069619200.

The previous prime is 431401121213. The next prime is 431401121227. The reversal of 431401121223 is 322121104134.

It is a cyclic number.

It is not a de Polignac number, because 431401121223 - 2¹⁸ = 431400859079 is a prime.

It is a super-2 number, since 2×431401121223² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431401121193 and 431401121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431401121227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5650915 + ... + 5726747.

It is an arithmetic number, because the mean of its divisors is an integer number (36016524126).

Almost surely, 2^431401121223 is an apocalyptic number.

431401121223 is a deficient number, since it is larger than the sum of its proper divisors (144863264793).

431401121223 is a wasteful number, since it uses less digits than its factorization.

431401121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79314.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 431401121223 its reverse (322121104134), we get a palindrome (753522225357).

The spelling of 431401121223 in words is "four hundred thirty-one billion, four hundred one million, one hundred twenty-one thousand, two hundred twenty-three".