1023905473 has 2 divisors, whose sum is σ = 1023905474. Its totient is φ = 1023905472.

The previous prime is 1023905453. The next prime is 1023905507. The reversal of 1023905473 is 3745093201.

1023905473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (1023905507) can be obtained adding 1023905473 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 940219569 + 83685904 = 30663^2 + 9148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023905473 is a prime.

It is a super-3 number, since 3×1023905473³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1023905453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511952736 + 511952737.

It is an arithmetic number, because the mean of its divisors is an integer number (511952737).

Almost surely, 2^1023905473 is an apocalyptic number.

It is an amenable number.

1023905473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023905473 is an equidigital number, since it uses as much as digits as its factorization.

1023905473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1023905473 is about 31998.5229815378. The cubic root of 1023905473 is about 1007.9058242331.

Adding to 1023905473 its reverse (3745093201), we get a palindrome (4768998674).

The spelling of 1023905473 in words is "one billion, twenty-three million, nine hundred five thousand, four hundred seventy-three".