1023472913 has 4 divisors (see below), whose sum is σ = 1083677220. Its totient is φ = 963268608.

The previous prime is 1023472909. The next prime is 1023472937. The reversal of 1023472913 is 3192743201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3192743201 = 56237 ⋅56773.

It can be written as a sum of positive squares in 2 ways, for example, as 274465489 + 749007424 = 16567^2 + 27368^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023472913 - 2² = 1023472909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023472913.

It is not an unprimeable number, because it can be changed into a prime (1023412913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30102128 + ... + 30102161.

It is an arithmetic number, because the mean of its divisors is an integer number (270919305).

Almost surely, 2^1023472913 is an apocalyptic number.

It is an amenable number.

1023472913 is a deficient number, since it is larger than the sum of its proper divisors (60204307).

1023472913 is an equidigital number, since it uses as much as digits as its factorization.

1023472913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60204306.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1023472913 is about 31991.7632055503. The cubic root of 1023472913 is about 1007.7638706498.

The spelling of 1023472913 in words is "one billion, twenty-three million, four hundred seventy-two thousand, nine hundred thirteen".