431224520001623 has 2 divisors, whose sum is σ = 431224520001624. Its totient is φ = 431224520001622.

The previous prime is 431224520001593. The next prime is 431224520001659. The reversal of 431224520001623 is 326100025422134.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431224520001623 - 2¹⁶ = 431224519936087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431224520001523) 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 as a sum of consecutive naturals, namely, 215612260000811 + 215612260000812.

It is an arithmetic number, because the mean of its divisors is an integer number (215612260000812).

Almost surely, 2^{431224520001623} is an apocalyptic number.

431224520001623 is a deficient number, since it is larger than the sum of its proper divisors (1).

431224520001623 is an equidigital number, since it uses as much as digits as its factorization.

431224520001623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 431224520001623 its reverse (326100025422134), we get a palindrome (757324545423757).

The spelling of 431224520001623 in words is "four hundred thirty-one trillion, two hundred twenty-four billion, five hundred twenty million, one thousand, six hundred twenty-three".