1365453523243 has 4 divisors (see below), whose sum is σ = 1374150679600. Its totient is φ = 1356756366888.

The previous prime is 1365453523237. The next prime is 1365453523261. The reversal of 1365453523243 is 3423253545631.

It is a happy number.

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-1365453523243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1365453523193 and 1365453523202.

It is not an unprimeable number, because it can be changed into a prime (1365453523843) 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, 4348577943 + ... + 4348578256.

It is an arithmetic number, because the mean of its divisors is an integer number (343537669900).

Almost surely, 2^{1365453523243} is an apocalyptic number.

1365453523243 is a deficient number, since it is larger than the sum of its proper divisors (8697156357).

1365453523243 is an equidigital number, since it uses as much as digits as its factorization.

1365453523243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8697156356.

The product of its digits is 3888000, while the sum is 46.

The spelling of 1365453523243 in words is "one trillion, three hundred sixty-five billion, four hundred fifty-three million, five hundred twenty-three thousand, two hundred forty-three".