1023310541503 has 16 divisors (see below), whose sum is σ = 1036067812416. Its totient is φ = 1010609602560.

The previous prime is 1023310541501. The next prime is 1023310541537. The reversal of 1023310541503 is 3051450133201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1023310541503 - 2¹ = 1023310541501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023310541501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188071263 + ... + 188076703.

It is an arithmetic number, because the mean of its divisors is an integer number (64754238276).

Almost surely, 2^{1023310541503} is an apocalyptic number.

1023310541503 is a deficient number, since it is larger than the sum of its proper divisors (12757270913).

1023310541503 is a wasteful number, since it uses less digits than its factorization.

1023310541503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 1023310541503 its reverse (3051450133201), we get a palindrome (4074760674704).

The spelling of 1023310541503 in words is "one trillion, twenty-three billion, three hundred ten million, five hundred forty-one thousand, five hundred three".