23012211323 has 4 divisors (see below), whose sum is σ = 24223380360. Its totient is φ = 21801042288.

The previous prime is 23012211319. The next prime is 23012211331. The reversal of 23012211323 is 32311221032.

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 23012211323 - 2² = 23012211319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23012211295 and 23012211304.

It is not an unprimeable number, because it can be changed into a prime (23012211353) 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, 605584490 + ... + 605584527.

It is an arithmetic number, because the mean of its divisors is an integer number (6055845090).

Almost surely, 2^23012211323 is an apocalyptic number.

23012211323 is a deficient number, since it is larger than the sum of its proper divisors (1211169037).

23012211323 is a wasteful number, since it uses less digits than its factorization.

23012211323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211169036.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23012211323 its reverse (32311221032), we get a palindrome (55323432355).

The spelling of 23012211323 in words is "twenty-three billion, twelve million, two hundred eleven thousand, three hundred twenty-three".