94423547531 has 2 divisors, whose sum is σ = 94423547532. Its totient is φ = 94423547530.

The previous prime is 94423547501. The next prime is 94423547567. The reversal of 94423547531 is 13574532449.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 94423547531 - 2¹⁰ = 94423546507 is a prime.

It is a super-2 number, since 2×94423547531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (94423547501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47211773765 + 47211773766.

It is an arithmetic number, because the mean of its divisors is an integer number (47211773766).

Almost surely, 2^94423547531 is an apocalyptic number.

94423547531 is a deficient number, since it is larger than the sum of its proper divisors (1).

94423547531 is an equidigital number, since it uses as much as digits as its factorization.

94423547531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 47.

The spelling of 94423547531 in words is "ninety-four billion, four hundred twenty-three million, five hundred forty-seven thousand, five hundred thirty-one".