228680723 has 4 divisors (see below), whose sum is σ = 229209288. Its totient is φ = 228152160.

The previous prime is 228680717. The next prime is 228680729. The reversal of 228680723 is 327086822.

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

It is an interprime number because it is at equal distance from previous prime (228680717) and next prime (228680729).

It is a cyclic number.

It is not a de Polignac number, because 228680723 - 2¹⁶ = 228615187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228680729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263633 + ... + 264498.

It is an arithmetic number, because the mean of its divisors is an integer number (57302322).

Almost surely, 2^228680723 is an apocalyptic number.

228680723 is a deficient number, since it is larger than the sum of its proper divisors (528565).

228680723 is an equidigital number, since it uses as much as digits as its factorization.

228680723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528564.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 228680723 is about 15122.1930618545. The cubic root of 228680723 is about 611.5188549956.

The spelling of 228680723 in words is "two hundred twenty-eight million, six hundred eighty thousand, seven hundred twenty-three".