1342053521243 has 4 divisors (see below), whose sum is σ = 1420997846040. Its totient is φ = 1263109196448.

The previous prime is 1342053521219. The next prime is 1342053521273. The reversal of 1342053521243 is 3421253502431.

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

It is a cyclic number.

It is not a de Polignac number, because 1342053521243 - 2¹⁶ = 1342053455707 is a prime.

It is a super-2 number, since 2×1342053521243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342053521213) 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, 39472162373 + ... + 39472162406.

It is an arithmetic number, because the mean of its divisors is an integer number (355249461510).

Almost surely, 2^{1342053521243} is an apocalyptic number.

1342053521243 is a deficient number, since it is larger than the sum of its proper divisors (78944324797).

1342053521243 is an equidigital number, since it uses as much as digits as its factorization.

1342053521243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78944324796.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 1342053521243 in words is "one trillion, three hundred forty-two billion, fifty-three million, five hundred twenty-one thousand, two hundred forty-three".