423311264465 has 16 divisors (see below), whose sum is σ = 534736171200. Its totient is φ = 320809056192.

The previous prime is 423311264447. The next prime is 423311264491. The reversal of 423311264465 is 564462113324.

It is not a de Polignac number, because 423311264465 - 2¹⁸ = 423311002321 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1962719 + ... + 2167691.

It is an arithmetic number, because the mean of its divisors is an integer number (33421010700).

Almost surely, 2^423311264465 is an apocalyptic number.

It is an amenable number.

423311264465 is a deficient number, since it is larger than the sum of its proper divisors (111424906735).

423311264465 is a wasteful number, since it uses less digits than its factorization.

423311264465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226736.

The product of its digits is 414720, while the sum is 41.

Adding to 423311264465 its reverse (564462113324), we get a palindrome (987773377789).

The spelling of 423311264465 in words is "four hundred twenty-three billion, three hundred eleven million, two hundred sixty-four thousand, four hundred sixty-five".