73481113523 has 2 divisors, whose sum is σ = 73481113524. Its totient is φ = 73481113522.

The previous prime is 73481113457. The next prime is 73481113549. The reversal of 73481113523 is 32531118437.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73481113523 - 2²⁶ = 73414004659 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (73481113583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36740556761 + 36740556762.

It is an arithmetic number, because the mean of its divisors is an integer number (36740556762).

Almost surely, 2^73481113523 is an apocalyptic number.

73481113523 is a deficient number, since it is larger than the sum of its proper divisors (1).

73481113523 is an equidigital number, since it uses as much as digits as its factorization.

73481113523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The spelling of 73481113523 in words is "seventy-three billion, four hundred eighty-one million, one hundred thirteen thousand, five hundred twenty-three".