201423214055 has 64 divisors (see below), whose sum is σ = 283200952320. Its totient is φ = 134694130176.

The previous prime is 201423214043. The next prime is 201423214073. The reversal of 201423214055 is 550412324102.

It is a cyclic number.

It is not a de Polignac number, because 201423214055 - 2⁸ = 201423213799 is a prime.

It is a super-2 number, since 2×201423214055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67978004 + ... + 67980966.

It is an arithmetic number, because the mean of its divisors is an integer number (4425014880).

Almost surely, 2^201423214055 is an apocalyptic number.

201423214055 is a deficient number, since it is larger than the sum of its proper divisors (81777738265).

201423214055 is a wasteful number, since it uses less digits than its factorization.

201423214055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 201423214055 its reverse (550412324102), we get a palindrome (751835538157).

The spelling of 201423214055 in words is "two hundred one billion, four hundred twenty-three million, two hundred fourteen thousand, fifty-five".