201320023293 has 32 divisors (see below), whose sum is σ = 311254041600. Its totient is φ = 128363680368.

The previous prime is 201320023279. The next prime is 201320023343. The reversal of 201320023293 is 392320023102.

201320023293 is a `hidden beast` number, since 20 + 1 + 320 + 0 + 232 + 93 = 666.

It is not a de Polignac number, because 201320023293 - 2²⁵ = 201286468861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201320028293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10310646 + ... + 10330152.

It is an arithmetic number, because the mean of its divisors is an integer number (9726688800).

Almost surely, 2^201320023293 is an apocalyptic number.

201320023293 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

201320023293 is a deficient number, since it is larger than the sum of its proper divisors (109934018307).

201320023293 is a wasteful number, since it uses less digits than its factorization.

201320023293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36158 (or 36152 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 201320023293 its reverse (392320023102), we get a palindrome (593640046395).

The spelling of 201320023293 in words is "two hundred one billion, three hundred twenty million, twenty-three thousand, two hundred ninety-three".