80000023 has 2 divisors, whose sum is σ = 80000024.
Its totient is φ = 80000022.
The previous prime is 79999987. The next prime is 80000027. The reversal of 80000023 is 32000008.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80000023 - 29 = 79999511 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 79999958 and 80000012.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80000027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40000011 + 40000012.
It is an arithmetic number, because the mean of its divisors is an integer number (40000012).
Almost surely, 280000023 is an apocalyptic number.
80000023 is a deficient number, since it is larger than the sum of its proper divisors (1).
80000023 is an equidigital number, since it uses as much as digits as its factorization.
80000023 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 80000023 is about 8944.2731957382.
The cubic root of 80000023 is about 430.8869792997.
The spelling of 80000023 in words is "eighty million, twenty-three", and thus it is an aban number and an uban number.