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23115341 = 28182261
BaseRepresentation
bin101100000101…
…1011001001101
31121111101021202
41120023121031
521404142331
62143235245
7400322444
oct130133115
947441252
1023115341
1112058997
1278a8b25
134a34422
1430d9d5b
152068ecb
hex160b64d

23115341 has 4 divisors (see below), whose sum is σ = 23197884. Its totient is φ = 23032800.

The previous prime is 23115331. The next prime is 23115353. The reversal of 23115341 is 14351132.

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 8099716 + 15015625 = 2846^2 + 3875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23115341 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 (23115331) 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, 40850 + ... + 41411.

It is an arithmetic number, because the mean of its divisors is an integer number (5799471).

Almost surely, 223115341 is an apocalyptic number.

It is an amenable number.

23115341 is a deficient number, since it is larger than the sum of its proper divisors (82543).

23115341 is an equidigital number, since it uses as much as digits as its factorization.

23115341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82542.

The product of its digits is 360, while the sum is 20.

The square root of 23115341 is about 4807.8416155277. The cubic root of 23115341 is about 284.8612888142.

Adding to 23115341 its reverse (14351132), we get a palindrome (37466473).

The spelling of 23115341 in words is "twenty-three million, one hundred fifteen thousand, three hundred forty-one".

Divisors: 1 281 82261 23115341