1023444313 has 8 divisors (see below), whose sum is σ = 1028248128. Its totient is φ = 1018649424.

The previous prime is 1023444311. The next prime is 1023444341. The reversal of 1023444313 is 3134443201.

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 1023444313 - 2¹ = 1023444311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023444311) 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, 344631 + ... + 347587.

It is an arithmetic number, because the mean of its divisors is an integer number (128531016).

Almost surely, 2^1023444313 is an apocalyptic number.

It is an amenable number.

1023444313 is a deficient number, since it is larger than the sum of its proper divisors (4803815).

1023444313 is a wasteful number, since it uses less digits than its factorization.

1023444313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1023444313 is about 31991.3162123724. The cubic root of 1023444313 is about 1007.7544835539.

Adding to 1023444313 its reverse (3134443201), we get a palindrome (4157887514).

The spelling of 1023444313 in words is "one billion, twenty-three million, four hundred forty-four thousand, three hundred thirteen".