120278823 has 16 divisors (see below), whose sum is σ = 188236800. Its totient is φ = 66872736.

The previous prime is 120278819. The next prime is 120278833. The reversal of 120278823 is 328872021.

It is not a de Polignac number, because 120278823 - 2² = 120278819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120278803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76623 + ... + 78176.

It is an arithmetic number, because the mean of its divisors is an integer number (11764800).

Almost surely, 2^120278823 is an apocalyptic number.

120278823 is a deficient number, since it is larger than the sum of its proper divisors (67957977).

120278823 is a wasteful number, since it uses less digits than its factorization.

120278823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154846.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 120278823 is about 10967.1702366654. The cubic root of 120278823 is about 493.6241397302.

The spelling of 120278823 in words is "one hundred twenty million, two hundred seventy-eight thousand, eight hundred twenty-three".