1204343020343 has 24 divisors (see below), whose sum is σ = 1323726480480. Its totient is φ = 1094200773120.

The previous prime is 1204343020339. The next prime is 1204343020351. The reversal of 1204343020343 is 3430203434021.

It is not a de Polignac number, because 1204343020343 - 2² = 1204343020339 is a prime.

It is a super-2 number, since 2×1204343020343² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204343020333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57173033 + ... + 57194093.

It is an arithmetic number, because the mean of its divisors is an integer number (55155270020).

Almost surely, 2^{1204343020343} is an apocalyptic number.

1204343020343 is a deficient number, since it is larger than the sum of its proper divisors (119383460137).

1204343020343 is a wasteful number, since it uses less digits than its factorization.

1204343020343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27947 (or 27930 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 1204343020343 its reverse (3430203434021), we get a palindrome (4634546454364).

The spelling of 1204343020343 in words is "one trillion, two hundred four billion, three hundred forty-three million, twenty thousand, three hundred forty-three".