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23165053 = 191121283
BaseRepresentation
bin101100001011…
…1100001111101
31121120220110221
41120113201331
521412240203
62144301341
7400620412
oct130274175
947526427
1023165053
111209227a
127911851
134a50c42
143110109
152078abd
hex161787d

23165053 has 4 divisors (see below), whose sum is σ = 23286528. Its totient is φ = 23043580.

The previous prime is 23165039. The next prime is 23165063. The reversal of 23165053 is 35056132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23165053 - 217 = 23033981 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 (23165063) 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, 60451 + ... + 60832.

It is an arithmetic number, because the mean of its divisors is an integer number (5821632).

Almost surely, 223165053 is an apocalyptic number.

It is an amenable number.

23165053 is a deficient number, since it is larger than the sum of its proper divisors (121475).

23165053 is a wasteful number, since it uses less digits than its factorization.

23165053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121474.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 23165053 is about 4813.0087263582. The cubic root of 23165053 is about 285.0653507674.

The spelling of 23165053 in words is "twenty-three million, one hundred sixty-five thousand, fifty-three".

Divisors: 1 191 121283 23165053