1228023 has 6 divisors (see below), whose sum is σ = 1773824. Its totient is φ = 818676.

The previous prime is 1228021. The next prime is 1228091. The reversal of 1228023 is 3208221.

It is a happy number.

It is not a de Polignac number, because 1228023 - 2¹ = 1228021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1227987 and 1228005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68215 + ... + 68232.

2^1228023 is an apocalyptic number.

1228023 is a deficient number, since it is larger than the sum of its proper divisors (545801).

1228023 is a wasteful number, since it uses less digits than its factorization.

1228023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136453 (or 136450 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1228023 is about 1108.1619917684. The cubic root of 1228023 is about 107.0866913241.

The spelling of 1228023 in words is "one million, two hundred twenty-eight thousand, twenty-three".