103423225021 has 2 divisors, whose sum is σ = 103423225022. Its totient is φ = 103423225020.

The previous prime is 103423224943. The next prime is 103423225039. The reversal of 103423225021 is 120522324301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57079899396 + 46343325625 = 238914^2 + 215275^2 .

It is a cyclic number.

It is not a de Polignac number, because 103423225021 - 2⁷ = 103423224893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103423225051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51711612510 + 51711612511.

It is an arithmetic number, because the mean of its divisors is an integer number (51711612511).

Almost surely, 2^103423225021 is an apocalyptic number.

It is an amenable number.

103423225021 is a deficient number, since it is larger than the sum of its proper divisors (1).

103423225021 is an equidigital number, since it uses as much as digits as its factorization.

103423225021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 103423225021 its reverse (120522324301), we get a palindrome (223945549322).

The spelling of 103423225021 in words is "one hundred three billion, four hundred twenty-three million, two hundred twenty-five thousand, twenty-one".