20100402323 has 2 divisors, whose sum is σ = 20100402324. Its totient is φ = 20100402322.

The previous prime is 20100402317. The next prime is 20100402341. The reversal of 20100402323 is 32320400102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20100402323 - 2¹⁶ = 20100336787 is a prime.

It is not a weakly prime, because it can be changed into another prime (20100405323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050201161 + 10050201162.

It is an arithmetic number, because the mean of its divisors is an integer number (10050201162).

Almost surely, 2^20100402323 is an apocalyptic number.

20100402323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100402323 is an equidigital number, since it uses as much as digits as its factorization.

20100402323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20100402323 its reverse (32320400102), we get a palindrome (52420802425).

The spelling of 20100402323 in words is "twenty billion, one hundred million, four hundred two thousand, three hundred twenty-three".