1023352643 has 2 divisors, whose sum is σ = 1023352644. Its totient is φ = 1023352642.

The previous prime is 1023352613. The next prime is 1023352679. The reversal of 1023352643 is 3462533201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023352643 - 2¹⁶ = 1023287107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023352613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511676321 + 511676322.

It is an arithmetic number, because the mean of its divisors is an integer number (511676322).

Almost surely, 2^1023352643 is an apocalyptic number.

1023352643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023352643 is an equidigital number, since it uses as much as digits as its factorization.

1023352643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 1023352643 is about 31989.8834477402. The cubic root of 1023352643 is about 1007.7243944353.

Adding to 1023352643 its reverse (3462533201), we get a palindrome (4485885844).

The spelling of 1023352643 in words is "one billion, twenty-three million, three hundred fifty-two thousand, six hundred forty-three".