Search a number
-
+
23270887 is a prime number
BaseRepresentation
bin101100011000…
…1010111100111
31121210021122201
41120301113213
521424132022
62150435331
7401541103
oct130612747
947707581
1023270887
1112154842
127962b47
134a8a173
14313a903
15209a127
hex16315e7

23270887 has 2 divisors, whose sum is σ = 23270888. Its totient is φ = 23270886.

The previous prime is 23270879. The next prime is 23270941. The reversal of 23270887 is 78807232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23270887 - 23 = 23270879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23270827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11635443 + 11635444.

It is an arithmetic number, because the mean of its divisors is an integer number (11635444).

Almost surely, 223270887 is an apocalyptic number.

23270887 is a deficient number, since it is larger than the sum of its proper divisors (1).

23270887 is an equidigital number, since it uses as much as digits as its factorization.

23270887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 23270887 is about 4823.9907752814. The cubic root of 23270887 is about 285.4988166061.

The spelling of 23270887 in words is "twenty-three million, two hundred seventy thousand, eight hundred eighty-seven".