Search a number
-
+
1423276031 is a prime number
BaseRepresentation
bin101010011010101…
…0111011111111111
310200012010220200002
41110311113133333
510403324313111
6353121424515
750161434542
oct12465273777
93605126602
101423276031
11670447391
1233879b13b
13198b3b088
14d7050859
1584e4163b
hex54d577ff

1423276031 has 2 divisors, whose sum is σ = 1423276032. Its totient is φ = 1423276030.

The previous prime is 1423275983. The next prime is 1423276033. The reversal of 1423276031 is 1306723241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423276031 - 214 = 1423259647 is a prime.

It is a super-2 number, since 2×14232760312 = 4051429320838225922, which contains 22 as substring.

Together with 1423276033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423275985 and 1423276003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423276033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711638015 + 711638016.

It is an arithmetic number, because the mean of its divisors is an integer number (711638016).

Almost surely, 21423276031 is an apocalyptic number.

1423276031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423276031 is an equidigital number, since it uses as much as digits as its factorization.

1423276031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1423276031 is about 37726.3307386234. The cubic root of 1423276031 is about 1124.8545737286.

Adding to 1423276031 its reverse (1306723241), we get a palindrome (2729999272).

The spelling of 1423276031 in words is "one billion, four hundred twenty-three million, two hundred seventy-six thousand, thirty-one".