423739340266 has 32 divisors (see below), whose sum is σ = 709631290368. Its totient is φ = 188099222640.

The previous prime is 423739340261. The next prime is 423739340267. The reversal of 423739340266 is 662043937324.

It is not an unprimeable number, because it can be changed into a prime (423739340261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6459765 + ... + 6525031.

It is an arithmetic number, because the mean of its divisors is an integer number (22175977824).

Almost surely, 2^423739340266 is an apocalyptic number.

423739340266 is a deficient number, since it is larger than the sum of its proper divisors (285891950102).

423739340266 is a wasteful number, since it uses less digits than its factorization.

423739340266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72186.

The product of its (nonzero) digits is 3919104, while the sum is 49.

The spelling of 423739340266 in words is "four hundred twenty-three billion, seven hundred thirty-nine million, three hundred forty thousand, two hundred sixty-six".