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1423441031 = 1974917949
BaseRepresentation
bin101010011010111…
…1111110010000111
310200012110022000012
41110311333302013
510403400103111
6353125140435
750163022565
oct12465776207
93605408005
101423441031
1167054a351
1233885a71b
13198b981cc
14d7094a35
1584e7548b
hex54d7fc87

1423441031 has 4 divisors (see below), whose sum is σ = 1498359000. Its totient is φ = 1348523064.

The previous prime is 1423441027. The next prime is 1423441049. The reversal of 1423441031 is 1301443241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1423441031 - 22 = 1423441027 is a prime.

It is a super-2 number, since 2×14234410312 = 4052368737468685922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423440988 and 1423441006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423441051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37458956 + ... + 37458993.

It is an arithmetic number, because the mean of its divisors is an integer number (374589750).

Almost surely, 21423441031 is an apocalyptic number.

1423441031 is a deficient number, since it is larger than the sum of its proper divisors (74917969).

1423441031 is an equidigital number, since it uses as much as digits as its factorization.

1423441031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74917968.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1423441031 is about 37728.5174768371. The cubic root of 1423441031 is about 1124.8980400764.

Adding to 1423441031 its reverse (1301443241), we get a palindrome (2724884272).

The spelling of 1423441031 in words is "one billion, four hundred twenty-three million, four hundred forty-one thousand, thirty-one".

Divisors: 1 19 74917949 1423441031