4423132145555 has 16 divisors (see below), whose sum is σ = 5600761381440. Its totient is φ = 3346627772928.

The previous prime is 4423132145519. The next prime is 4423132145651. The reversal of 4423132145555 is 5555412313244.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4423132145555 - 2¹² = 4423132141459 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, 216068522 + ... + 216088991.

It is an arithmetic number, because the mean of its divisors is an integer number (350047586340).

Almost surely, 2^{4423132145555} is an apocalyptic number.

4423132145555 is a deficient number, since it is larger than the sum of its proper divisors (1177629235885).

4423132145555 is a wasteful number, since it uses less digits than its factorization.

4423132145555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432157630.

The product of its digits is 1440000, while the sum is 44.

Adding to 4423132145555 its reverse (5555412313244), we get a palindrome (9978544458799).

The spelling of 4423132145555 in words is "four trillion, four hundred twenty-three billion, one hundred thirty-two million, one hundred forty-five thousand, five hundred fifty-five".