23220342045 has 24 divisors (see below), whose sum is σ = 40908410712. Its totient is φ = 12181161600.

The previous prime is 23220342043. The next prime is 23220342127. The reversal of 23220342045 is 54024302232.

It is a happy number.

23220342045 is a `hidden beast` number, since 2 + 32 + 203 + 420 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 741037284 + 22479304761 = 27222^2 + 149931^2 .

It is not a de Polignac number, because 23220342045 - 2¹ = 23220342043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220342043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4226826 + ... + 4232315.

It is an arithmetic number, because the mean of its divisors is an integer number (1704517113).

Almost surely, 2^23220342045 is an apocalyptic number.

It is an amenable number.

23220342045 is a deficient number, since it is larger than the sum of its proper divisors (17688068667).

23220342045 is a wasteful number, since it uses less digits than its factorization.

23220342045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8459213 (or 8459210 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 23220342045 its reverse (54024302232), we get a palindrome (77244644277).

The spelling of 23220342045 in words is "twenty-three billion, two hundred twenty million, three hundred forty-two thousand, forty-five".