423410311531 has 4 divisors (see below), whose sum is σ = 423432920592. Its totient is φ = 423387702472.

The previous prime is 423410311439. The next prime is 423410311561. The reversal of 423410311531 is 135113014324.

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 423410311531 - 2¹³ = 423410303339 is a prime.

It is a super-2 number, since 2×423410311531² (a number of 24 digits) 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 423410311531.

It is not an unprimeable number, because it can be changed into a prime (423410311561) 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, 11276416 + ... + 11313901.

It is an arithmetic number, because the mean of its divisors is an integer number (105858230148).

Almost surely, 2^423410311531 is an apocalyptic number.

423410311531 is a deficient number, since it is larger than the sum of its proper divisors (22609061).

423410311531 is a wasteful number, since it uses less digits than its factorization.

423410311531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22609060.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 423410311531 its reverse (135113014324), we get a palindrome (558523325855).

The spelling of 423410311531 in words is "four hundred twenty-three billion, four hundred ten million, three hundred eleven thousand, five hundred thirty-one".