10203621123383 has 2 divisors, whose sum is σ = 10203621123384. Its totient is φ = 10203621123382.

The previous prime is 10203621123379. The next prime is 10203621123389. The reversal of 10203621123383 is 38332112630201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10203621123383 - 2² = 10203621123379 is a prime.

It is a super-2 number, since 2×10203621123383² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10203621123389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101810561691 + 5101810561692.

It is an arithmetic number, because the mean of its divisors is an integer number (5101810561692).

Almost surely, 2^{10203621123383} is an apocalyptic number.

10203621123383 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203621123383 is an equidigital number, since it uses as much as digits as its factorization.

10203621123383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 10203621123383 its reverse (38332112630201), we get a palindrome (48535733753584).

The spelling of 10203621123383 in words is "ten trillion, two hundred three billion, six hundred twenty-one million, one hundred twenty-three thousand, three hundred eighty-three".