10203021400343 has 16 divisors (see below), whose sum is σ = 10290934967040. Its totient is φ = 10115438150400.

The previous prime is 10203021400331. The next prime is 10203021400387. The reversal of 10203021400343 is 34300412030201.

It is a cyclic number.

It is not a de Polignac number, because 10203021400343 - 2¹⁸ = 10203021138199 is a prime.

It is a super-3 number, since 3×10203021400343³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203021400643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369513608 + ... + 369541218.

It is an arithmetic number, because the mean of its divisors is an integer number (643183435440).

Almost surely, 2^{10203021400343} is an apocalyptic number.

10203021400343 is a deficient number, since it is larger than the sum of its proper divisors (87913566697).

10203021400343 is a wasteful number, since it uses less digits than its factorization.

10203021400343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33478.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 10203021400343 its reverse (34300412030201), we get a palindrome (44503433430544).

The spelling of 10203021400343 in words is "ten trillion, two hundred three billion, twenty-one million, four hundred thousand, three hundred forty-three".