623078 has 4 divisors (see below), whose sum is σ = 934620. Its totient is φ = 311538.

The previous prime is 623071. The next prime is 623107. The reversal of 623078 is 870326.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155768 + ... + 155771.

It is an arithmetic number, because the mean of its divisors is an integer number (233655).

2⁶²³⁰⁷⁸ is an apocalyptic number.

623078 is a deficient number, since it is larger than the sum of its proper divisors (311542).

623078 is a wasteful number, since it uses less digits than its factorization.

623078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311541.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 623078 is about 789.3528995323. The cubic root of 623078 is about 85.4110653740.

The spelling of 623078 in words is "six hundred twenty-three thousand, seventy-eight".