232100021003 has 16 divisors (see below), whose sum is σ = 242550153216. Its totient is φ = 221680092480.

The previous prime is 232100020951. The next prime is 232100021009. The reversal of 232100021003 is 300120001232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 232100021003 - 2¹⁸ = 232099758859 is a prime.

It is a super-2 number, since 2×232100021003² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232100021009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81637700 + ... + 81640542.

It is an arithmetic number, because the mean of its divisors is an integer number (15159384576).

Almost surely, 2^232100021003 is an apocalyptic number.

232100021003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

232100021003 is a deficient number, since it is larger than the sum of its proper divisors (10450132213).

232100021003 is a wasteful number, since it uses less digits than its factorization.

232100021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 232100021003 its reverse (300120001232), we get a palindrome (532220022235).

The spelling of 232100021003 in words is "two hundred thirty-two billion, one hundred million, twenty-one thousand, three".