423043403311 has 2 divisors, whose sum is σ = 423043403312. Its totient is φ = 423043403310.

The previous prime is 423043403297. The next prime is 423043403329. The reversal of 423043403311 is 113304340324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423043403311 - 2³¹ = 420895919663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423043403311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423043403381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211521701655 + 211521701656.

It is an arithmetic number, because the mean of its divisors is an integer number (211521701656).

Almost surely, 2^423043403311 is an apocalyptic number.

423043403311 is a deficient number, since it is larger than the sum of its proper divisors (1).

423043403311 is an equidigital number, since it uses as much as digits as its factorization.

423043403311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 423043403311 its reverse (113304340324), we get a palindrome (536347743635).

The spelling of 423043403311 in words is "four hundred twenty-three billion, forty-three million, four hundred three thousand, three hundred eleven".