423543031235 has 32 divisors (see below), whose sum is σ = 552778152192. Its totient is φ = 310276177920.

The previous prime is 423543031231. The next prime is 423543031333. The reversal of 423543031235 is 532130345324.

It is not a de Polignac number, because 423543031235 - 2² = 423543031231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423543031195 and 423543031204.

It is not an unprimeable number, because it can be changed into a prime (423543031231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1113419 + ... + 1444571.

It is an arithmetic number, because the mean of its divisors is an integer number (17274317256).

Almost surely, 2^423543031235 is an apocalyptic number.

423543031235 is a deficient number, since it is larger than the sum of its proper divisors (129235120957).

423543031235 is a wasteful number, since it uses less digits than its factorization.

423543031235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331583.

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 423543031235 its reverse (532130345324), we get a palindrome (955673376559).

The spelling of 423543031235 in words is "four hundred twenty-three billion, five hundred forty-three million, thirty-one thousand, two hundred thirty-five".