232100001 has 24 divisors (see below), whose sum is σ = 393508544. Its totient is φ = 129042720.

The previous prime is 232099999. The next prime is 232100027. The reversal of 232100001 is 100001232.

It is a happy number.

It is not a de Polignac number, because 232100001 - 2¹ = 232099999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (232100051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47455 + ... + 52116.

Almost surely, 2^232100001 is an apocalyptic number.

232100001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

232100001 is a deficient number, since it is larger than the sum of its proper divisors (161408543).

232100001 is a wasteful number, since it uses less digits than its factorization.

232100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99621 (or 99618 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 232100001 is about 15234.8285517101. The cubic root of 232100001 is about 614.5516383044.

Adding to 232100001 its reverse (100001232), we get a palindrome (332101233).

It can be divided in two parts, 232 and 100001, that multiplied together give a palindrome (23200232).

The spelling of 232100001 in words is "two hundred thirty-two million, one hundred thousand, one".