1442241623 has 2 divisors, whose sum is σ = 1442241624. Its totient is φ = 1442241622.

The previous prime is 1442241589. The next prime is 1442241677. The reversal of 1442241623 is 3261422441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442241623 - 2²⁴ = 1425464407 is a prime.

It is a super-2 number, since 2×1442241623² = 4160121798227348258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442241323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721120811 + 721120812.

It is an arithmetic number, because the mean of its divisors is an integer number (721120812).

Almost surely, 2^1442241623 is an apocalyptic number.

1442241623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442241623 is an equidigital number, since it uses as much as digits as its factorization.

1442241623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

The square root of 1442241623 is about 37976.8564128207. The cubic root of 1442241623 is about 1129.8288886493.

The spelling of 1442241623 in words is "one billion, four hundred forty-two million, two hundred forty-one thousand, six hundred twenty-three".