232100323421 has 4 divisors (see below), whose sum is σ = 232103294592. Its totient is φ = 232097352252.

The previous prime is 232100323409. The next prime is 232100323423. The reversal of 232100323421 is 124323001232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232100323421 is a prime.

It is a super-2 number, since 2×232100323421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232100323423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365155 + ... + 1525728.

It is an arithmetic number, because the mean of its divisors is an integer number (58025823648).

Almost surely, 2^232100323421 is an apocalyptic number.

It is an amenable number.

232100323421 is a deficient number, since it is larger than the sum of its proper divisors (2971171).

232100323421 is an equidigital number, since it uses as much as digits as its factorization.

232100323421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971170.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 232100323421 its reverse (124323001232), we get a palindrome (356423324653).

The spelling of 232100323421 in words is "two hundred thirty-two billion, one hundred million, three hundred twenty-three thousand, four hundred twenty-one".