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23214053 = 53438001
BaseRepresentation
bin101100010001…
…1011111100101
31121200101200202
41120203133211
521420322203
62145320245
7401213312
oct130433745
947611622
1023214053
1112116075
127936085
134a6a335
143123d09
152088388
hex16237e5

23214053 has 4 divisors (see below), whose sum is σ = 23652108. Its totient is φ = 22776000.

The previous prime is 23214047. The next prime is 23214083. The reversal of 23214053 is 35041232.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20448484 + 2765569 = 4522^2 + 1663^2 .

It is a cyclic number.

It is not a de Polignac number, because 23214053 - 28 = 23213797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23214043) 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, 218948 + ... + 219053.

It is an arithmetic number, because the mean of its divisors is an integer number (5913027).

Almost surely, 223214053 is an apocalyptic number.

It is an amenable number.

23214053 is a deficient number, since it is larger than the sum of its proper divisors (438055).

23214053 is an equidigital number, since it uses as much as digits as its factorization.

23214053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438054.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23214053 is about 4818.0964083339. The cubic root of 23214053 is about 285.2662045416.

Adding to 23214053 its reverse (35041232), we get a palindrome (58255285).

The spelling of 23214053 in words is "twenty-three million, two hundred fourteen thousand, fifty-three".

Divisors: 1 53 438001 23214053