103033023421 has 2 divisors, whose sum is σ = 103033023422. Its totient is φ = 103033023420.

The previous prime is 103033023419. The next prime is 103033023437. The reversal of 103033023421 is 124320330301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90472217796 + 12560805625 = 300786^2 + 112075^2 .

It is a cyclic number.

It is not a de Polignac number, because 103033023421 - 2¹ = 103033023419 is a prime.

Together with 103033023419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 103033023392 and 103033023401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103033023451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51516511710 + 51516511711.

It is an arithmetic number, because the mean of its divisors is an integer number (51516511711).

Almost surely, 2^103033023421 is an apocalyptic number.

It is an amenable number.

103033023421 is a deficient number, since it is larger than the sum of its proper divisors (1).

103033023421 is an equidigital number, since it uses as much as digits as its factorization.

103033023421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 103033023421 its reverse (124320330301), we get a palindrome (227353353722).

The spelling of 103033023421 in words is "one hundred three billion, thirty-three million, twenty-three thousand, four hundred twenty-one".