423264421066 has 4 divisors (see below), whose sum is σ = 634896631602. Its totient is φ = 211632210532.

The previous prime is 423264420973. The next prime is 423264421079. The reversal of 423264421066 is 660124462324.

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

It can be written as a sum of positive squares in only one way, i.e., 416044350225 + 7220070841 = 645015^2 + 84971^2 .

It is a super-2 number, since 2×423264421066² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105816105265 + ... + 105816105268.

Almost surely, 2^423264421066 is an apocalyptic number.

423264421066 is a deficient number, since it is larger than the sum of its proper divisors (211632210536).

423264421066 is a wasteful number, since it uses less digits than its factorization.

423264421066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211632210535.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 423264421066 in words is "four hundred twenty-three billion, two hundred sixty-four million, four hundred twenty-one thousand, sixty-six".