42523032547 has 2 divisors, whose sum is σ = 42523032548. Its totient is φ = 42523032546.

The previous prime is 42523032491. The next prime is 42523032551. The reversal of 42523032547 is 74523032524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42523032547 is a prime.

It is not a weakly prime, because it can be changed into another prime (42523032577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21261516273 + 21261516274.

It is an arithmetic number, because the mean of its divisors is an integer number (21261516274).

Almost surely, 2^42523032547 is an apocalyptic number.

42523032547 is a deficient number, since it is larger than the sum of its proper divisors (1).

42523032547 is an equidigital number, since it uses as much as digits as its factorization.

42523032547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 37.

The spelling of 42523032547 in words is "forty-two billion, five hundred twenty-three million, thirty-two thousand, five hundred forty-seven".