423011354531 has 4 divisors (see below), whose sum is σ = 423378872064. Its totient is φ = 422643837000.

The previous prime is 423011354477. The next prime is 423011354543. The reversal of 423011354531 is 135453110324.

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

It is a cyclic number.

It is not a de Polignac number, because 423011354531 - 2¹⁰ = 423011353507 is a prime.

It is a super-2 number, since 2×423011354531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423011324531) 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, 183757040 + ... + 183759341.

It is an arithmetic number, because the mean of its divisors is an integer number (105844718016).

Almost surely, 2^423011354531 is an apocalyptic number.

423011354531 is a deficient number, since it is larger than the sum of its proper divisors (367517533).

423011354531 is a wasteful number, since it uses less digits than its factorization.

423011354531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367517532.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 423011354531 its reverse (135453110324), we get a palindrome (558464464855).

The spelling of 423011354531 in words is "four hundred twenty-three billion, eleven million, three hundred fifty-four thousand, five hundred thirty-one".