80299523 has 2 divisors, whose sum is σ = 80299524. Its totient is φ = 80299522.

The previous prime is 80299519. The next prime is 80299573. The reversal of 80299523 is 32599208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80299523 - 2² = 80299519 is a prime.

It is not a weakly prime, because it can be changed into another prime (80299573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40149761 + 40149762.

It is an arithmetic number, because the mean of its divisors is an integer number (40149762).

Almost surely, 2^80299523 is an apocalyptic number.

80299523 is a deficient number, since it is larger than the sum of its proper divisors (1).

80299523 is an equidigital number, since it uses as much as digits as its factorization.

80299523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 80299523 is about 8961.0001115947. Note that the first 3 decimals coincide. The cubic root of 80299523 is about 431.4240205620.

The spelling of 80299523 in words is "eighty million, two hundred ninety-nine thousand, five hundred twenty-three".