1020004343403 has 8 divisors (see below), whose sum is σ = 1360038484368. Its totient is φ = 679986549024.

The previous prime is 1020004343399. The next prime is 1020004343429. The reversal of 1020004343403 is 3043434000201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020004343403 - 2² = 1020004343399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020004343003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3940300 + ... + 4191177.

It is an arithmetic number, because the mean of its divisors is an integer number (170004810546).

Almost surely, 2^{1020004343403} is an apocalyptic number.

1020004343403 is a deficient number, since it is larger than the sum of its proper divisors (340034140965).

1020004343403 is an equidigital number, since it uses as much as digits as its factorization.

1020004343403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8173293.

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

Adding to 1020004343403 its reverse (3043434000201), we get a palindrome (4063438343604).

The spelling of 1020004343403 in words is "one trillion, twenty billion, four million, three hundred forty-three thousand, four hundred three".