Search a number
-
+
23185373 is a prime number
BaseRepresentation
bin101100001110…
…0011111011101
31121121221100112
41120130133131
521413412443
62144535405
7401033561
oct130343735
947557315
1023185373
11120a6572
127921565
134a5a273
1431176a1
15207eb18
hex161c7dd

23185373 has 2 divisors, whose sum is σ = 23185374. Its totient is φ = 23185372.

The previous prime is 23185367. The next prime is 23185411. The reversal of 23185373 is 37358132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15578809 + 7606564 = 3947^2 + 2758^2 .

It is a cyclic number.

It is not a de Polignac number, because 23185373 - 214 = 23168989 is a prime.

It is a super-2 number, since 2×231853732 = 1075123042298258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23185343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11592686 + 11592687.

It is an arithmetic number, because the mean of its divisors is an integer number (11592687).

Almost surely, 223185373 is an apocalyptic number.

It is an amenable number.

23185373 is a deficient number, since it is larger than the sum of its proper divisors (1).

23185373 is an equidigital number, since it uses as much as digits as its factorization.

23185373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 23185373 is about 4815.1192093239. The cubic root of 23185373 is about 285.1486779392.

The spelling of 23185373 in words is "twenty-three million, one hundred eighty-five thousand, three hundred seventy-three".