423007031631 has 8 divisors (see below), whose sum is σ = 564865234560. Its totient is φ = 281576758232.

The previous prime is 423007031617. The next prime is 423007031641. The reversal of 423007031631 is 136130700324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423007031631 - 2⁶ = 423007031567 is a prime.

It is a super-2 number, since 2×423007031631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423007031641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106980075 + ... + 106984028.

It is an arithmetic number, because the mean of its divisors is an integer number (70608154320).

Almost surely, 2^423007031631 is an apocalyptic number.

423007031631 is a deficient number, since it is larger than the sum of its proper divisors (141858202929).

423007031631 is a wasteful number, since it uses less digits than its factorization.

423007031631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213964765.

The product of its (nonzero) digits is 9072, while the sum is 30.

Adding to 423007031631 its reverse (136130700324), we get a palindrome (559137731955).

The spelling of 423007031631 in words is "four hundred twenty-three billion, seven million, thirty-one thousand, six hundred thirty-one".