1303031012023 has 16 divisors (see below), whose sum is σ = 1442071481760. Its totient is φ = 1169574201216.

The previous prime is 1303031011993. The next prime is 1303031012047. The reversal of 1303031012023 is 3202101303031.

It is a cyclic number.

It is not a de Polignac number, because 1303031012023 - 2²¹ = 1303028914871 is a prime.

It is a super-4 number, since 4×1303031012023⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303031012123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40033 + ... + 1614826.

It is an arithmetic number, because the mean of its divisors is an integer number (90129467610).

Almost surely, 2^{1303031012023} is an apocalyptic number.

1303031012023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1303031012023 is a deficient number, since it is larger than the sum of its proper divisors (139040469737).

1303031012023 is a wasteful number, since it uses less digits than its factorization.

1303031012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656546.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1303031012023 its reverse (3202101303031), we get a palindrome (4505132315054).

The spelling of 1303031012023 in words is "one trillion, three hundred three billion, thirty-one million, twelve thousand, twenty-three".