80811423 has 36 divisors (see below), whose sum is σ = 146646864. Its totient is φ = 41976000.

The previous prime is 80811407. The next prime is 80811439. The reversal of 80811423 is 32411808.

It is an interprime number because it is at equal distance from previous prime (80811407) and next prime (80811439).

It is not a de Polignac number, because 80811423 - 2⁴ = 80811407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80811323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2323 + ... + 12923.

It is an arithmetic number, because the mean of its divisors is an integer number (4073524).

Almost surely, 2^80811423 is an apocalyptic number.

80811423 is a deficient number, since it is larger than the sum of its proper divisors (65835441).

80811423 is a wasteful number, since it uses less digits than its factorization.

80811423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10636 (or 10622 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 80811423 is about 8989.5173952777. The cubic root of 80811423 is about 432.3388384584.

The spelling of 80811423 in words is "eighty million, eight hundred eleven thousand, four hundred twenty-three".