423631342664023 has 16 divisors (see below), whose sum is σ = 468079648627360. Its totient is φ = 380926266908544.

The previous prime is 423631342664021. The next prime is 423631342664027. The reversal of 423631342664023 is 320466243136324.

It is a cyclic number.

It is not a de Polignac number, because 423631342664023 - 2¹ = 423631342664021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423631342664021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015659888 + ... + 1016076901.

It is an arithmetic number, because the mean of its divisors is an integer number (29254978039210).

Almost surely, 2^{423631342664023} is an apocalyptic number.

423631342664023 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

423631342664023 is a deficient number, since it is larger than the sum of its proper divisors (44448305963337).

423631342664023 is a wasteful number, since it uses less digits than its factorization.

423631342664023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031737218.

The product of its (nonzero) digits is 8957952, while the sum is 49.

The spelling of 423631342664023 in words is "four hundred twenty-three trillion, six hundred thirty-one billion, three hundred forty-two million, six hundred sixty-four thousand, twenty-three".