Search a number
-
+
23372131121 is a prime number
BaseRepresentation
bin10101110001000101…
…100110101100110001
32020022211210021111222
4111301011212230301
5340331231143441
614423105514425
71455116556653
oct256105465461
966284707458
1023372131121
119a03a60049
124643342a15
1322861c37b1
1411ba0ba6d3
1591bd1ad4b
hex571166b31

23372131121 has 2 divisors, whose sum is σ = 23372131122. Its totient is φ = 23372131120.

The previous prime is 23372131109. The next prime is 23372131129. The reversal of 23372131121 is 12113127332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14481715600 + 8890415521 = 120340^2 + 94289^2 .

It is a cyclic number.

It is not a de Polignac number, because 23372131121 - 210 = 23372130097 is a prime.

It is not a weakly prime, because it can be changed into another prime (23372131129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11686065560 + 11686065561.

It is an arithmetic number, because the mean of its divisors is an integer number (11686065561).

Almost surely, 223372131121 is an apocalyptic number.

It is an amenable number.

23372131121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23372131121 is an equidigital number, since it uses as much as digits as its factorization.

23372131121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

Adding to 23372131121 its reverse (12113127332), we get a palindrome (35485258453).

The spelling of 23372131121 in words is "twenty-three billion, three hundred seventy-two million, one hundred thirty-one thousand, one hundred twenty-one".