423021604445 has 16 divisors (see below), whose sum is σ = 554543988480. Its totient is φ = 307224158400.

The previous prime is 423021604399. The next prime is 423021604501. The reversal of 423021604445 is 544406120324.

It is not a de Polignac number, because 423021604445 - 2⁶ = 423021604381 is a prime.

It is a congruent number.

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, 5309066 + ... + 5388155.

It is an arithmetic number, because the mean of its divisors is an integer number (34658999280).

Almost surely, 2^423021604445 is an apocalyptic number.

It is an amenable number.

423021604445 is a deficient number, since it is larger than the sum of its proper divisors (131522384035).

423021604445 is a wasteful number, since it uses less digits than its factorization.

423021604445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10697956.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 423021604445 its reverse (544406120324), we get a palindrome (967427724769).

The spelling of 423021604445 in words is "four hundred twenty-three billion, twenty-one million, six hundred four thousand, four hundred forty-five".