23123341221 has 32 divisors (see below), whose sum is σ = 33146513280. Its totient is φ = 14293843200.

The previous prime is 23123341193. The next prime is 23123341243. The reversal of 23123341221 is 12214332132.

It is not a de Polignac number, because 23123341221 - 2¹³ = 23123333029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23123341191 and 23123341200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123341291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1262751 + ... + 1280931.

It is an arithmetic number, because the mean of its divisors is an integer number (1035828540).

Almost surely, 2^23123341221 is an apocalyptic number.

It is an amenable number.

23123341221 is a deficient number, since it is larger than the sum of its proper divisors (10023172059).

23123341221 is a wasteful number, since it uses less digits than its factorization.

23123341221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18677.

The product of its digits is 1728, while the sum is 24.

Adding to 23123341221 its reverse (12214332132), we get a palindrome (35337673353).

The spelling of 23123341221 in words is "twenty-three billion, one hundred twenty-three million, three hundred forty-one thousand, two hundred twenty-one".