23223143330501 has 2 divisors, whose sum is σ = 23223143330502. Its totient is φ = 23223143330500.

The previous prime is 23223143330477. The next prime is 23223143330507. The reversal of 23223143330501 is 10503334132232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15094771269601 + 8128372060900 = 3885199^2 + 2851030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23223143330501 is a prime.

It is a super-2 number, since 2×23223143330501² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23223143330507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611571665250 + 11611571665251.

It is an arithmetic number, because the mean of its divisors is an integer number (11611571665251).

Almost surely, 2^{23223143330501} is an apocalyptic number.

It is an amenable number.

23223143330501 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223143330501 is an equidigital number, since it uses as much as digits as its factorization.

23223143330501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 23223143330501 its reverse (10503334132232), we get a palindrome (33726477462733).

The spelling of 23223143330501 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred forty-three million, three hundred thirty thousand, five hundred one".