1423443241 has 4 divisors (see below), whose sum is σ = 1552847184. Its totient is φ = 1294039300.

The previous prime is 1423443227. The next prime is 1423443247.

1423443241 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is not a de Polignac number, because 1423443241 - 2⁵ = 1423443209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423443247) 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, 64701955 + ... + 64701976.

It is an arithmetic number, because the mean of its divisors is an integer number (388211796).

Almost surely, 2^1423443241 is an apocalyptic number.

1423443241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1423443241 is a deficient number, since it is larger than the sum of its proper divisors (129403943).

1423443241 is a wasteful number, since it uses less digits than its factorization.

1423443241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129403942.

The product of its digits is 9216, while the sum is 28.

The square root of 1423443241 is about 37728.5467650160. The cubic root of 1423443241 is about 1124.8986222392.

It can be divided in two parts, 14234 and 43241, that added together give a palindrome (57475).

The spelling of 1423443241 in words is "one billion, four hundred twenty-three million, four hundred forty-three thousand, two hundred forty-one".