423851402066 has 32 divisors (see below), whose sum is σ = 643572864000. Its totient is φ = 209344180240.

The previous prime is 423851402017. The next prime is 423851402111. The reversal of 423851402066 is 660204158324.

It is a super-2 number, since 2×423851402066² (a number of 24 digits) contains 22 as substring.

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, 56336981 + ... + 56344503.

It is an arithmetic number, because the mean of its divisors is an integer number (20111652000).

Almost surely, 2^423851402066 is an apocalyptic number.

423851402066 is a deficient number, since it is larger than the sum of its proper divisors (219721461934).

423851402066 is a wasteful number, since it uses less digits than its factorization.

423851402066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8614.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 423851402066 in words is "four hundred twenty-three billion, eight hundred fifty-one million, four hundred two thousand, sixty-six".