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1423141 = 1917451
BaseRepresentation
bin101011011011100100101
32200022011221
411123130211
5331020031
650300341
715045046
oct5333445
92608157
101423141
11892255
125876b1
133aa9c5
142908cd
151d1a11
hex15b725

1423141 has 4 divisors (see below), whose sum is σ = 1430784. Its totient is φ = 1415500.

The previous prime is 1423129. The next prime is 1423159. The reversal of 1423141 is 1413241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1413241 = 8317027.

It is a cyclic number.

It is not a de Polignac number, because 1423141 - 211 = 1421093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535 + ... + 3916.

It is an arithmetic number, because the mean of its divisors is an integer number (357696).

21423141 is an apocalyptic number.

It is an amenable number.

1423141 is a deficient number, since it is larger than the sum of its proper divisors (7643).

1423141 is an equidigital number, since it uses as much as digits as its factorization.

1423141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7642.

The product of its digits is 96, while the sum is 16.

The square root of 1423141 is about 1192.9547351010. The cubic root of 1423141 is about 112.4818999687.

Adding to 1423141 its reverse (1413241), we get a palindrome (2836382).

The spelling of 1423141 in words is "one million, four hundred twenty-three thousand, one hundred forty-one".

Divisors: 1 191 7451 1423141