23212001323 has 4 divisors (see below), whose sum is σ = 26528001520. Its totient is φ = 19896001128.

The previous prime is 23212001321. The next prime is 23212001353. The reversal of 23212001323 is 32310021232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23212001323 - 2¹ = 23212001321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23212001323.

It is not an unprimeable number, because it can be changed into a prime (23212001321) 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, 1658000088 + ... + 1658000101.

It is an arithmetic number, because the mean of its divisors is an integer number (6632000380).

Almost surely, 2^23212001323 is an apocalyptic number.

23212001323 is a deficient number, since it is larger than the sum of its proper divisors (3316000197).

23212001323 is an equidigital number, since it uses as much as digits as its factorization.

23212001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316000196.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23212001323 its reverse (32310021232), we get a palindrome (55522022555).

The spelling of 23212001323 in words is "twenty-three billion, two hundred twelve million, one thousand, three hundred twenty-three".