42523404543287 has 2 divisors, whose sum is σ = 42523404543288. Its totient is φ = 42523404543286.

The previous prime is 42523404543241. The next prime is 42523404543299. The reversal of 42523404543287 is 78234540432524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42523404543287 - 2¹⁶ = 42523404477751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42523404543787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21261702271643 + 21261702271644.

It is an arithmetic number, because the mean of its divisors is an integer number (21261702271644).

Almost surely, 2^{42523404543287} is an apocalyptic number.

42523404543287 is a deficient number, since it is larger than the sum of its proper divisors (1).

42523404543287 is an equidigital number, since it uses as much as digits as its factorization.

42523404543287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25804800, while the sum is 53.

The spelling of 42523404543287 in words is "forty-two trillion, five hundred twenty-three billion, four hundred four million, five hundred forty-three thousand, two hundred eighty-seven".