23321001223 has 16 divisors (see below), whose sum is σ = 26935584480. Its totient is φ = 20009268864.

The previous prime is 23321001211. The next prime is 23321001241. The reversal of 23321001223 is 32210012332.

It is not a de Polignac number, because 23321001223 - 2⁹ = 23321000711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 23321001223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321001323) 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, 877636 + ... + 903817.

It is an arithmetic number, because the mean of its divisors is an integer number (1683474030).

Almost surely, 2^23321001223 is an apocalyptic number.

23321001223 is a deficient number, since it is larger than the sum of its proper divisors (3614583257).

23321001223 is a wasteful number, since it uses less digits than its factorization.

23321001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781538.

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

Adding to 23321001223 its reverse (32210012332), we get a palindrome (55531013555).

The spelling of 23321001223 in words is "twenty-three billion, three hundred twenty-one million, one thousand, two hundred twenty-three".