423017140440663 has 12 divisors (see below), whose sum is σ = 611909020012888. Its totient is φ = 281603306222640.

The previous prime is 423017140440637. The next prime is 423017140440673. The reversal of 423017140440663 is 366044041710324.

423017140440663 is a `hidden beast` number, since 4 + 2 + 3 + 0 + 1 + 7 + 140 + 440 + 6 + 63 = 666.

It is not a de Polignac number, because 423017140440663 - 2⁶ = 423017140440599 is a prime.

It is a super-2 number, since 2×423017140440663² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423017140440673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34010054920 + ... + 34010067357.

Almost surely, 2^{423017140440663} is an apocalyptic number.

423017140440663 is a deficient number, since it is larger than the sum of its proper divisors (188891879572225).

423017140440663 is a wasteful number, since it uses less digits than its factorization.

423017140440663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68020122974 (or 68020122971 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 423017140440663 in words is "four hundred twenty-three trillion, seventeen billion, one hundred forty million, four hundred forty thousand, six hundred sixty-three".