Search a number
-
+
1354321823 is a prime number
BaseRepresentation
bin101000010111001…
…0100111110011111
310111101101200021112
41100232110332133
510233201244243
6342215452235
745363355061
oct12056247637
93441350245
101354321823
11635530038
1231968707b
1318777757a
14cbc21731
157dd70818
hex50b94f9f

1354321823 has 2 divisors, whose sum is σ = 1354321824. Its totient is φ = 1354321822.

The previous prime is 1354321819. The next prime is 1354321877. The reversal of 1354321823 is 3281234531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1354321823 - 22 = 1354321819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1354321823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354321123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677160911 + 677160912.

It is an arithmetic number, because the mean of its divisors is an integer number (677160912).

Almost surely, 21354321823 is an apocalyptic number.

1354321823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354321823 is an equidigital number, since it uses as much as digits as its factorization.

1354321823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 1354321823 is about 36801.1117087514. Note that the first 3 decimals coincide. The cubic root of 1354321823 is about 1106.3875808417.

The spelling of 1354321823 in words is "one billion, three hundred fifty-four million, three hundred twenty-one thousand, eight hundred twenty-three".