23204220054131 has 4 divisors (see below), whose sum is σ = 23214166143072. Its totient is φ = 23194273965192.

The previous prime is 23204220054109. The next prime is 23204220054199. The reversal of 23204220054131 is 13145002240232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23204220054131 is a prime.

It is a super-2 number, since 2×23204220054131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23204220054094 and 23204220054103.

It is not an unprimeable number, because it can be changed into a prime (23204220074131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4973040971 + ... + 4973045636.

It is an arithmetic number, because the mean of its divisors is an integer number (5803541535768).

Almost surely, 2^{23204220054131} is an apocalyptic number.

23204220054131 is a deficient number, since it is larger than the sum of its proper divisors (9946088941).

23204220054131 is an equidigital number, since it uses as much as digits as its factorization.

23204220054131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9946088940.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 23204220054131 its reverse (13145002240232), we get a palindrome (36349222294363).

The spelling of 23204220054131 in words is "twenty-three trillion, two hundred four billion, two hundred twenty million, fifty-four thousand, one hundred thirty-one".