1342443523 has 4 divisors (see below), whose sum is σ = 1346183280. Its totient is φ = 1338703768.

The previous prime is 1342443521. The next prime is 1342443533. The reversal of 1342443523 is 3253442431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3253442431 = 2027 ⋅1605053.

It is a cyclic number.

It is not a de Polignac number, because 1342443523 - 2¹ = 1342443521 is a prime.

It is a super-2 number, since 2×1342443523² = 3604309224889303058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342443521) 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, 1869340 + ... + 1870057.

It is an arithmetic number, because the mean of its divisors is an integer number (336545820).

Almost surely, 2^1342443523 is an apocalyptic number.

1342443523 is a deficient number, since it is larger than the sum of its proper divisors (3739757).

1342443523 is an equidigital number, since it uses as much as digits as its factorization.

1342443523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739756.

The product of its digits is 34560, while the sum is 31.

The square root of 1342443523 is about 36639.3712145828. The cubic root of 1342443523 is about 1103.1434938870.

Adding to 1342443523 its reverse (3253442431), we get a palindrome (4595885954).

The spelling of 1342443523 in words is "one billion, three hundred forty-two million, four hundred forty-three thousand, five hundred twenty-three".