1023013443 has 8 divisors (see below), whose sum is σ = 1372186368. Its totient is φ = 677924744.

The previous prime is 1023013417. The next prime is 1023013457. The reversal of 1023013443 is 3443103201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023013443 - 2¹³ = 1023005251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023013543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020471 + ... + 1021472.

It is an arithmetic number, because the mean of its divisors is an integer number (171523296).

Almost surely, 2^1023013443 is an apocalyptic number.

1023013443 is a deficient number, since it is larger than the sum of its proper divisors (349172925).

1023013443 is a wasteful number, since it uses less digits than its factorization.

1023013443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042113.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1023013443 is about 31984.5813322607. The cubic root of 1023013443 is about 1007.6130421756.

Adding to 1023013443 its reverse (3443103201), we get a palindrome (4466116644).

The spelling of 1023013443 in words is "one billion, twenty-three million, thirteen thousand, four hundred forty-three".