423851409628 has 6 divisors (see below), whose sum is σ = 741739966856. Its totient is φ = 211925704812.

The previous prime is 423851409607. The next prime is 423851409647. The reversal of 423851409628 is 826904158324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52981426200 + ... + 52981426207.

Almost surely, 2^423851409628 is an apocalyptic number.

It is an amenable number.

423851409628 is a deficient number, since it is larger than the sum of its proper divisors (317888557228).

423851409628 is a wasteful number, since it uses less digits than its factorization.

423851409628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105962852411 (or 105962852409 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 423851409628 in words is "four hundred twenty-three billion, eight hundred fifty-one million, four hundred nine thousand, six hundred twenty-eight".