423332331231 has 4 divisors (see below), whose sum is σ = 564443108312. Its totient is φ = 282221554152.

The previous prime is 423332331217. The next prime is 423332331241. The reversal of 423332331231 is 132133233324.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 423332331231 - 2²⁹ = 422795460319 is a prime.

It is a super-2 number, since 2×423332331231² (a number of 24 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 (423332331241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70555388536 + ... + 70555388541.

It is an arithmetic number, because the mean of its divisors is an integer number (141110777078).

Almost surely, 2^423332331231 is an apocalyptic number.

423332331231 is a deficient number, since it is larger than the sum of its proper divisors (141110777081).

423332331231 is a wasteful number, since it uses less digits than its factorization.

423332331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141110777080.

The product of its digits is 23328, while the sum is 30.

Adding to 423332331231 its reverse (132133233324), we get a palindrome (555465564555).

The spelling of 423332331231 in words is "four hundred twenty-three billion, three hundred thirty-two million, three hundred thirty-one thousand, two hundred thirty-one".