423505155414001 has 4 divisors (see below), whose sum is σ = 423659213312500. Its totient is φ = 423351097515504.

The previous prime is 423505155413981. The next prime is 423505155414013. The reversal of 423505155414001 is 100414551505324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63530464360000 + 359974691054001 = 7970600^2 + 18972999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423505155414001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423505155414101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77028945126 + ... + 77028950623.

It is an arithmetic number, because the mean of its divisors is an integer number (105914803328125).

Almost surely, 2^{423505155414001} is an apocalyptic number.

It is an amenable number.

423505155414001 is a deficient number, since it is larger than the sum of its proper divisors (154057898499).

423505155414001 is a wasteful number, since it uses less digits than its factorization.

423505155414001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154057898498.

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 423505155414001 in words is "four hundred twenty-three trillion, five hundred five billion, one hundred fifty-five million, four hundred fourteen thousand, one".