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22023023 = 112002093
BaseRepresentation
bin101010000000…
…0101101101111
31112102212220112
41110000231233
521114214043
62104010235
7355123031
oct124005557
945385815
1022023023
1111482250
12746097b
134741199
142cd3c51
151e00518
hex1500b6f

22023023 has 4 divisors (see below), whose sum is σ = 24025128. Its totient is φ = 20020920.

The previous prime is 22023019. The next prime is 22023031. The reversal of 22023023 is 32032022.

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

It is a cyclic number.

It is not a de Polignac number, because 22023023 - 22 = 22023019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022989 and 22023007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023083) 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, 1001036 + ... + 1001057.

It is an arithmetic number, because the mean of its divisors is an integer number (6006282).

Almost surely, 222023023 is an apocalyptic number.

22023023 is a deficient number, since it is larger than the sum of its proper divisors (2002105).

22023023 is a wasteful number, since it uses less digits than its factorization.

22023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002104.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 22023023 is about 4692.8693781097. The cubic root of 22023023 is about 280.3016434608.

Adding to 22023023 its reverse (32032022), we get a palindrome (54055045).

It can be divided in two parts, 2202 and 3023, that added together give a palindrome (5225).

The spelling of 22023023 in words is "twenty-two million, twenty-three thousand, twenty-three".

Divisors: 1 11 2002093 22023023