23300021223 has 72 divisors (see below), whose sum is σ = 36984415104. Its totient is φ = 14631004080.

The previous prime is 23300021117. The next prime is 23300021243. The reversal of 23300021223 is 32212000332.

It is a happy number.

It is not a de Polignac number, because 23300021223 - 2¹² = 23300017127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23300021196 and 23300021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23300021243) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28173736 + ... + 28174562.

It is an arithmetic number, because the mean of its divisors is an integer number (513672432).

Almost surely, 2^23300021223 is an apocalyptic number.

23300021223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23300021223 is a deficient number, since it is larger than the sum of its proper divisors (13684393881).

23300021223 is an frugal number, since it uses more digits than its factorization.

23300021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23300021223 its reverse (32212000332), we get a palindrome (55512021555).

The spelling of 23300021223 in words is "twenty-three billion, three hundred million, twenty-one thousand, two hundred twenty-three".