40041123253 has 2 divisors, whose sum is σ = 40041123254. Its totient is φ = 40041123252.

The previous prime is 40041123233. The next prime is 40041123257. The reversal of 40041123253 is 35232114004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30978464049 + 9062659204 = 176007^2 + 95198^2 .

It is a cyclic number.

It is not a de Polignac number, because 40041123253 - 2⁹ = 40041122741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40041123257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020561626 + 20020561627.

It is an arithmetic number, because the mean of its divisors is an integer number (20020561627).

Almost surely, 2^40041123253 is an apocalyptic number.

It is an amenable number.

40041123253 is a deficient number, since it is larger than the sum of its proper divisors (1).

40041123253 is an equidigital number, since it uses as much as digits as its factorization.

40041123253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 40041123253 its reverse (35232114004), we get a palindrome (75273237257).

The spelling of 40041123253 in words is "forty billion, forty-one million, one hundred twenty-three thousand, two hundred fifty-three".