66424231323 has 12 divisors (see below), whose sum is σ = 98286261528. Its totient is φ = 43202751840.

The previous prime is 66424231319. The next prime is 66424231327. The reversal of 66424231323 is 32313242466.

66424231323 is a `hidden beast` number, since 6 + 64 + 242 + 31 + 323 = 666.

It is an interprime number because it is at equal distance from previous prime (66424231319) and next prime (66424231327).

It is not a de Polignac number, because 66424231323 - 2² = 66424231319 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (66424231327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90005365 + ... + 90006102.

It is an arithmetic number, because the mean of its divisors is an integer number (8190521794).

Almost surely, 2^66424231323 is an apocalyptic number.

66424231323 is a deficient number, since it is larger than the sum of its proper divisors (31862030205).

66424231323 is a wasteful number, since it uses less digits than its factorization.

66424231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180011514 (or 180011511 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

Adding to 66424231323 its reverse (32313242466), we get a palindrome (98737473789).

The spelling of 66424231323 in words is "sixty-six billion, four hundred twenty-four million, two hundred thirty-one thousand, three hundred twenty-three".