423066256766 has 48 divisors (see below), whose sum is σ = 685735418160. Its totient is φ = 195029045760.

The previous prime is 423066256763. The next prime is 423066256813. The reversal of 423066256766 is 667652660324.

It is a super-2 number, since 2×423066256766² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423066256763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150075305 + ... + 150078123.

It is an arithmetic number, because the mean of its divisors is an integer number (14286154545).

Almost surely, 2^423066256766 is an apocalyptic number.

423066256766 is a deficient number, since it is larger than the sum of its proper divisors (262669161394).

423066256766 is a wasteful number, since it uses less digits than its factorization.

423066256766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437 (or 3168 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 53.

The spelling of 423066256766 in words is "four hundred twenty-three billion, sixty-six million, two hundred fifty-six thousand, seven hundred sixty-six".