23105431541 has 2 divisors, whose sum is σ = 23105431542. Its totient is φ = 23105431540.

The previous prime is 23105431513. The next prime is 23105431577. The reversal of 23105431541 is 14513450132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16862061316 + 6243370225 = 129854^2 + 79015^2 .

It is a cyclic number.

It is not a de Polignac number, because 23105431541 - 2²⁶ = 23038322677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23105431501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11552715770 + 11552715771.

It is an arithmetic number, because the mean of its divisors is an integer number (11552715771).

Almost surely, 2^23105431541 is an apocalyptic number.

It is an amenable number.

23105431541 is a deficient number, since it is larger than the sum of its proper divisors (1).

23105431541 is an equidigital number, since it uses as much as digits as its factorization.

23105431541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 23105431541 its reverse (14513450132), we get a palindrome (37618881673).

The spelling of 23105431541 in words is "twenty-three billion, one hundred five million, four hundred thirty-one thousand, five hundred forty-one".