423871311101 has 16 divisors (see below), whose sum is σ = 496381229568. Its totient is φ = 354355670400.

The previous prime is 423871311091. The next prime is 423871311119. The reversal of 423871311101 is 101113178324.

It is a cyclic number.

It is not a de Polignac number, because 423871311101 - 2¹⁸ = 423871048957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423871311151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804956 + ... + 1222986.

It is an arithmetic number, because the mean of its divisors is an integer number (31023826848).

Almost surely, 2^423871311101 is an apocalyptic number.

423871311101 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

423871311101 is a deficient number, since it is larger than the sum of its proper divisors (72509918467).

423871311101 is a wasteful number, since it uses less digits than its factorization.

423871311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421612.

The product of its (nonzero) digits is 4032, while the sum is 32.

Adding to 423871311101 its reverse (101113178324), we get a palindrome (524984489425).

The spelling of 423871311101 in words is "four hundred twenty-three billion, eight hundred seventy-one million, three hundred eleven thousand, one hundred one".