23220440030 has 16 divisors (see below), whose sum is σ = 42585411744. Its totient is φ = 9112927200.

The previous prime is 23220440003. The next prime is 23220440039. The reversal of 23220440030 is 3004402232.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23220439984 and 23220440011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220440039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21905546 + ... + 21906605.

It is an arithmetic number, because the mean of its divisors is an integer number (2661588234).

Almost surely, 2^23220440030 is an apocalyptic number.

23220440030 is a deficient number, since it is larger than the sum of its proper divisors (19364971714).

23220440030 is a wasteful number, since it uses less digits than its factorization.

23220440030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43812211.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 23220440030 its reverse (3004402232), we get a palindrome (26224842262).

The spelling of 23220440030 in words is "twenty-three billion, two hundred twenty million, four hundred forty thousand, thirty".