80099521423 has 2 divisors, whose sum is σ = 80099521424. Its totient is φ = 80099521422.

The previous prime is 80099521409. The next prime is 80099521429. The reversal of 80099521423 is 32412599008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80099521423 - 2⁹ = 80099520911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80099521423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80099521429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40049760711 + 40049760712.

It is an arithmetic number, because the mean of its divisors is an integer number (40049760712).

Almost surely, 2^80099521423 is an apocalyptic number.

80099521423 is a deficient number, since it is larger than the sum of its proper divisors (1).

80099521423 is an equidigital number, since it uses as much as digits as its factorization.

80099521423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 80099521423 in words is "eighty billion, ninety-nine million, five hundred twenty-one thousand, four hundred twenty-three".