1023516343 has 6 divisors (see below), whose sum is σ = 1060027904. Its totient is φ = 988221864.

The previous prime is 1023516317. The next prime is 1023516359. The reversal of 1023516343 is 3436153201.

It is not a de Polignac number, because 1023516343 - 2¹⁷ = 1023385271 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 (1023516383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 607671 + ... + 609352.

Almost surely, 2^1023516343 is an apocalyptic number.

1023516343 is a deficient number, since it is larger than the sum of its proper divisors (36511561).

1023516343 is an equidigital number, since it uses as much as digits as its factorization.

1023516343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217081 (or 1217052 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1023516343 is about 31992.4419668146. The cubic root of 1023516343 is about 1007.7781249159.

Adding to 1023516343 its reverse (3436153201), we get a palindrome (4459669544).

The spelling of 1023516343 in words is "one billion, twenty-three million, five hundred sixteen thousand, three hundred forty-three".