11020023 has 32 divisors (see below), whose sum is σ = 18816000. Its totient is φ = 6244128.

The previous prime is 11020003. The next prime is 11020039. The reversal of 11020023 is 32002011.

It is a happy number.

It is not a de Polignac number, because 11020023 - 2¹⁴ = 11003639 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 = 11019987 and 11020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37465 + ... + 37757.

It is an arithmetic number, because the mean of its divisors is an integer number (588000).

Almost surely, 2^11020023 is an apocalyptic number.

11020023 is a deficient number, since it is larger than the sum of its proper divisors (7795977).

11020023 is a wasteful number, since it uses less digits than its factorization.

11020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 502 counting only the distinct ones).

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

The square root of 11020023 is about 3319.6419987703. The cubic root of 11020023 is about 222.5328689396.

Adding to 11020023 its reverse (32002011), we get a palindrome (43022034).

The spelling of 11020023 in words is "eleven million, twenty thousand, twenty-three".