80123860 has 24 divisors (see below), whose sum is σ = 168892416. Its totient is φ = 31929120.

The previous prime is 80123837. The next prime is 80123887. The reversal of 80123860 is 6832108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972 + ... + 12811.

It is an arithmetic number, because the mean of its divisors is an integer number (7037184).

Almost surely, 2^80123860 is an apocalyptic number.

It is an amenable number.

80123860 is an abundant number, since it is smaller than the sum of its proper divisors (88768556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80123860 is a wasteful number, since it uses less digits than its factorization.

80123860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15063 (or 15061 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 80123860 is about 8951.1932165494. The cubic root of 80123860 is about 431.1091969090.

Adding to 80123860 its reverse (6832108), we get a palindrome (86955968).

The spelling of 80123860 in words is "eighty million, one hundred twenty-three thousand, eight hundred sixty".