423118018269121 has 12 divisors (see below), whose sum is σ = 492230383877232. Its totient is φ = 362649101845128.

The previous prime is 423118018269113. The next prime is 423118018269127. The reversal of 423118018269121 is 121962810811324.

It is not a de Polignac number, because 423118018269121 - 2³ = 423118018269113 is a prime.

It is a super-2 number, since 2×423118018269121² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (423118018269127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278821795 + ... + 280335208.

It is an arithmetic number, because the mean of its divisors is an integer number (41019198656436).

Almost surely, 2^{423118018269121} is an apocalyptic number.

It is an amenable number.

423118018269121 is a deficient number, since it is larger than the sum of its proper divisors (69112365608111).

423118018269121 is a wasteful number, since it uses less digits than its factorization.

423118018269121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559172460 (or 559172453 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 423118018269121 in words is "four hundred twenty-three trillion, one hundred eighteen billion, eighteen million, two hundred sixty-nine thousand, one hundred twenty-one".