23651173141 has 2 divisors, whose sum is σ = 23651173142. Its totient is φ = 23651173140.

The previous prime is 23651173093. The next prime is 23651173163. The reversal of 23651173141 is 14137115632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21144068100 + 2507105041 = 145410^2 + 50071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23651173141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23651173097 and 23651173106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23651173241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11825586570 + 11825586571.

It is an arithmetic number, because the mean of its divisors is an integer number (11825586571).

Almost surely, 2^23651173141 is an apocalyptic number.

It is an amenable number.

23651173141 is a deficient number, since it is larger than the sum of its proper divisors (1).

23651173141 is an equidigital number, since it uses as much as digits as its factorization.

23651173141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

Adding to 23651173141 its reverse (14137115632), we get a palindrome (37788288773).

The spelling of 23651173141 in words is "twenty-three billion, six hundred fifty-one million, one hundred seventy-three thousand, one hundred forty-one".