80988923 has 2 divisors, whose sum is σ = 80988924. Its totient is φ = 80988922.

The previous prime is 80988913. The next prime is 80988931. The reversal of 80988923 is 32988908.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80988923 - 2¹⁶ = 80923387 is a prime.

It is not a weakly prime, because it can be changed into another prime (80988913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40494461 + 40494462.

It is an arithmetic number, because the mean of its divisors is an integer number (40494462).

Almost surely, 2^80988923 is an apocalyptic number.

80988923 is a deficient number, since it is larger than the sum of its proper divisors (1).

80988923 is an equidigital number, since it uses as much as digits as its factorization.

80988923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 80988923 is about 8999.3845900706. The cubic root of 80988923 is about 432.6551469851.

The spelling of 80988923 in words is "eighty million, nine hundred eighty-eight thousand, nine hundred twenty-three".