423343311201155 has 32 divisors (see below), whose sum is σ = 538782249672000. Its totient is φ = 318227252539392.

The previous prime is 423343311201149. The next prime is 423343311201197. The reversal of 423343311201155 is 551102113343324.

It is a happy number.

It is not a de Polignac number, because 423343311201155 - 2⁸ = 423343311200899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133631696 + ... + 136762994.

It is an arithmetic number, because the mean of its divisors is an integer number (16836945302250).

Almost surely, 2^{423343311201155} is an apocalyptic number.

423343311201155 is a deficient number, since it is larger than the sum of its proper divisors (115438938470845).

423343311201155 is a wasteful number, since it uses less digits than its factorization.

423343311201155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133943.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 423343311201155 its reverse (551102113343324), we get a palindrome (974445424544479).

The spelling of 423343311201155 in words is "four hundred twenty-three trillion, three hundred forty-three billion, three hundred eleven million, two hundred one thousand, one hundred fifty-five".