42523404543241 has 2 divisors, whose sum is σ = 42523404543242. Its totient is φ = 42523404543240.

The previous prime is 42523404543233. The next prime is 42523404543287. The reversal of 42523404543241 is 14234540432524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36296528115600 + 6226876427641 = 6024660^2 + 2495371^2 .

It is a cyclic number.

It is not a de Polignac number, because 42523404543241 - 2³ = 42523404543233 is a prime.

It is not a weakly prime, because it can be changed into another prime (42523404543941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21261702271620 + 21261702271621.

It is an arithmetic number, because the mean of its divisors is an integer number (21261702271621).

Almost surely, 2^{42523404543241} is an apocalyptic number.

It is an amenable number.

42523404543241 is a deficient number, since it is larger than the sum of its proper divisors (1).

42523404543241 is an equidigital number, since it uses as much as digits as its factorization.

42523404543241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1843200, while the sum is 43.

Adding to 42523404543241 its reverse (14234540432524), we get a palindrome (56757944975765).

The spelling of 42523404543241 in words is "forty-two trillion, five hundred twenty-three billion, four hundred four million, five hundred forty-three thousand, two hundred forty-one".