1102023 has 12 divisors (see below), whose sum is σ = 1714440. Its totient is φ = 678096.

The previous prime is 1102021. The next prime is 1102027. The reversal of 1102023 is 3202011.

It is a happy number.

It is not a de Polignac number, because 1102023 - 2¹ = 1102021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1101996 and 1102014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4593 + ... + 4826.

It is an arithmetic number, because the mean of its divisors is an integer number (142870).

2^1102023 is an apocalyptic number.

1102023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1102023 is a deficient number, since it is larger than the sum of its proper divisors (612417).

1102023 is a wasteful number, since it uses less digits than its factorization.

1102023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9438 (or 9435 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1102023 is about 1049.7728325690. The cubic root of 1102023 is about 103.2912546907.

Subtracting from 1102023 its product of nonzero digits (12), we obtain a palindrome (1102011).

Adding to 1102023 its reverse (3202011), we get a palindrome (4304034).

The spelling of 1102023 in words is "one million, one hundred two thousand, twenty-three".