23144140501 has 2 divisors, whose sum is σ = 23144140502. Its totient is φ = 23144140500.

The previous prime is 23144140477. The next prime is 23144140619. The reversal of 23144140501 is 10504144132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20256690276 + 2887450225 = 142326^2 + 53735^2 .

It is a cyclic number.

It is not a de Polignac number, because 23144140501 - 2⁵ = 23144140469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23144144501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572070250 + 11572070251.

It is an arithmetic number, because the mean of its divisors is an integer number (11572070251).

Almost surely, 2^23144140501 is an apocalyptic number.

It is an amenable number.

23144140501 is a deficient number, since it is larger than the sum of its proper divisors (1).

23144140501 is an equidigital number, since it uses as much as digits as its factorization.

23144140501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 23144140501 its reverse (10504144132), we get a palindrome (33648284633).

The spelling of 23144140501 in words is "twenty-three billion, one hundred forty-four million, one hundred forty thousand, five hundred one".