423442036505 has 16 divisors (see below), whose sum is σ = 523285754880. Its totient is φ = 328699985472.

The previous prime is 423442036463. The next prime is 423442036583. The reversal of 423442036505 is 505630244324.

It is a cyclic number.

It is not a de Polignac number, because 423442036505 - 2³⁴ = 406262167321 is a prime.

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, 3050465 + ... + 3186254.

It is an arithmetic number, because the mean of its divisors is an integer number (32705359680).

Almost surely, 2^423442036505 is an apocalyptic number.

It is an amenable number.

423442036505 is a deficient number, since it is larger than the sum of its proper divisors (99843718375).

423442036505 is a wasteful number, since it uses less digits than its factorization.

423442036505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6237128.

The product of its (nonzero) digits is 345600, while the sum is 38.

The spelling of 423442036505 in words is "four hundred twenty-three billion, four hundred forty-two million, thirty-six thousand, five hundred five".