423242012133231 has 16 divisors (see below), whose sum is σ = 572143518449760. Its totient is φ = 278252145077760.

The previous prime is 423242012133223. The next prime is 423242012133251. The reversal of 423242012133231 is 132331210242324.

It is a happy number.

It is not a de Polignac number, because 423242012133231 - 2³ = 423242012133223 is a prime.

It is a super-2 number, since 2×423242012133231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423242012133192 and 423242012133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423242012133211) 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, 151293040 + ... + 154065141.

It is an arithmetic number, because the mean of its divisors is an integer number (35758969903110).

Almost surely, 2^{423242012133231} is an apocalyptic number.

423242012133231 is a deficient number, since it is larger than the sum of its proper divisors (148901506316529).

423242012133231 is a wasteful number, since it uses less digits than its factorization.

423242012133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305364586.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 423242012133231 its reverse (132331210242324), we get a palindrome (555573222375555).

The spelling of 423242012133231 in words is "four hundred twenty-three trillion, two hundred forty-two billion, twelve million, one hundred thirty-three thousand, two hundred thirty-one".