1302102443023 has 4 divisors (see below), whose sum is σ = 1302106706008. Its totient is φ = 1302098180040.

The previous prime is 1302102443017. The next prime is 1302102443099. The reversal of 1302102443023 is 3203442012031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1302102443023 is a prime.

It is a super-2 number, since 2×1302102443023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302102443723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634736 + ... + 2297077.

It is an arithmetic number, because the mean of its divisors is an integer number (325526676502).

Almost surely, 2^{1302102443023} is an apocalyptic number.

1302102443023 is a deficient number, since it is larger than the sum of its proper divisors (4262985).

1302102443023 is an equidigital number, since it uses as much as digits as its factorization.

1302102443023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262984.

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

Adding to 1302102443023 its reverse (3203442012031), we get a palindrome (4505544455054).

The spelling of 1302102443023 in words is "one trillion, three hundred two billion, one hundred two million, four hundred forty-three thousand, twenty-three".