423644061052 has 6 divisors (see below), whose sum is σ = 741377106848. Its totient is φ = 211822030524.

The previous prime is 423644061041. The next prime is 423644061077. The reversal of 423644061052 is 250160446324.

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, 52955507628 + ... + 52955507635.

Almost surely, 2^423644061052 is an apocalyptic number.

It is an amenable number.

423644061052 is a deficient number, since it is larger than the sum of its proper divisors (317733045796).

423644061052 is a wasteful number, since it uses less digits than its factorization.

423644061052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105911015267 (or 105911015265 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 423644061052 in words is "four hundred twenty-three billion, six hundred forty-four million, sixty-one thousand, fifty-two".