Search a number
-
+
34421423 is a prime number
BaseRepresentation
bin1000001101001…
…1101010101111
32101202210022112
42003103222233
532302441143
63225434235
7565402001
oct203235257
971683275
1034421423
1118480363
12b63b97b
13719260a
144800371
15304de18
hex20d3aaf

34421423 has 2 divisors, whose sum is σ = 34421424. Its totient is φ = 34421422.

The previous prime is 34421417. The next prime is 34421441. The reversal of 34421423 is 32412443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34421423 - 214 = 34405039 is a prime.

It is a super-2 number, since 2×344214232 = 2369668722689858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34421623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17210711 + 17210712.

It is an arithmetic number, because the mean of its divisors is an integer number (17210712).

Almost surely, 234421423 is an apocalyptic number.

34421423 is a deficient number, since it is larger than the sum of its proper divisors (1).

34421423 is an equidigital number, since it uses as much as digits as its factorization.

34421423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 23.

The square root of 34421423 is about 5866.9773307897. The cubic root of 34421423 is about 325.2941652219.

Adding to 34421423 its reverse (32412443), we get a palindrome (66833866).

The spelling of 34421423 in words is "thirty-four million, four hundred twenty-one thousand, four hundred twenty-three".