228197019723 has 16 divisors (see below), whose sum is σ = 310652496000. Its totient is φ = 148956992000.

The previous prime is 228197019709. The next prime is 228197019731. The reversal of 228197019723 is 327910791822.

It is a cyclic number.

It is not a de Polignac number, because 228197019723 - 2¹⁶ = 228196954187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228197019763) 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, 2523798 + ... + 2612651.

It is an arithmetic number, because the mean of its divisors is an integer number (19415781000).

Almost surely, 2^228197019723 is an apocalyptic number.

228197019723 is a deficient number, since it is larger than the sum of its proper divisors (82455476277).

228197019723 is a wasteful number, since it uses less digits than its factorization.

228197019723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136762.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 228197019723 in words is "two hundred twenty-eight billion, one hundred ninety-seven million, nineteen thousand, seven hundred twenty-three".