78023 has 8 divisors (see below), whose sum is σ = 87696. Its totient is φ = 68800.

The previous prime is 78017. The next prime is 78031. The reversal of 78023 is 32087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78023 - 2⁴ = 78007 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 77986 and 78004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365 + ... + 537.

It is an arithmetic number, because the mean of its divisors is an integer number (10962).

2⁷⁸⁰²³ is an apocalyptic number.

78023 is a deficient number, since it is larger than the sum of its proper divisors (9673).

78023 is a wasteful number, since it uses less digits than its factorization.

78023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 78023 is about 279.3259744456. The cubic root of 78023 is about 42.7307860260.

The spelling of 78023 in words is "seventy-eight thousand, twenty-three".