Search a number
-
+
23211053 is a prime number
BaseRepresentation
bin101100010001…
…0110000101101
31121200020120122
41120202300231
521420223203
62145254325
7401201465
oct130426055
947606518
1023211053
1112113898
1279343a5
134a68b68
143122ba5
152087538
hex1622c2d

23211053 has 2 divisors, whose sum is σ = 23211054. Its totient is φ = 23211052.

The previous prime is 23211029. The next prime is 23211059. The reversal of 23211053 is 35011232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21325924 + 1885129 = 4618^2 + 1373^2 .

It is a cyclic number.

It is not a de Polignac number, because 23211053 - 212 = 23206957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23211059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605526 + 11605527.

It is an arithmetic number, because the mean of its divisors is an integer number (11605527).

Almost surely, 223211053 is an apocalyptic number.

It is an amenable number.

23211053 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211053 is an equidigital number, since it uses as much as digits as its factorization.

23211053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 23211053 is about 4817.7850720014. The cubic root of 23211053 is about 285.2539154987.

Adding to 23211053 its reverse (35011232), we get a palindrome (58222285).

The spelling of 23211053 in words is "twenty-three million, two hundred eleven thousand, fifty-three".