1020403004343 has 32 divisors (see below), whose sum is σ = 1378662005952. Its totient is φ = 671254656000.

The previous prime is 1020403004333. The next prime is 1020403004351. The reversal of 1020403004343 is 3434003040201.

It is not a de Polignac number, because 1020403004343 - 2⁵ = 1020403004311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020403004303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241971571 + ... + 241975787.

It is an arithmetic number, because the mean of its divisors is an integer number (43083187686).

Almost surely, 2^{1020403004343} is an apocalyptic number.

1020403004343 is a deficient number, since it is larger than the sum of its proper divisors (358259001609).

1020403004343 is a wasteful number, since it uses less digits than its factorization.

1020403004343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6835.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1020403004343 its reverse (3434003040201), we get a palindrome (4454406044544).

The spelling of 1020403004343 in words is "one trillion, twenty billion, four hundred three million, four thousand, three hundred forty-three".