423612631 has 8 divisors (see below), whose sum is σ = 459530064. Its totient is φ = 388171200.

The previous prime is 423612617. The next prime is 423612641. The reversal of 423612631 is 136216324.

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 423612631 - 2¹³ = 423604439 is a prime.

It is a super-2 number, since 2×423612631² = 358895322285484322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423612631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423612641) 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, 117145 + ... + 120706.

It is an arithmetic number, because the mean of its divisors is an integer number (57441258).

Almost surely, 2^423612631 is an apocalyptic number.

423612631 is a deficient number, since it is larger than the sum of its proper divisors (35917433).

423612631 is a wasteful number, since it uses less digits than its factorization.

423612631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238001.

The product of its digits is 5184, while the sum is 28.

The square root of 423612631 is about 20581.8519817824. The cubic root of 423612631 is about 751.0282967560.

Adding to 423612631 its reverse (136216324), we get a palindrome (559828955).

The spelling of 423612631 in words is "four hundred twenty-three million, six hundred twelve thousand, six hundred thirty-one".