2102231420423 has 2 divisors, whose sum is σ = 2102231420424. Its totient is φ = 2102231420422.

The previous prime is 2102231420407. The next prime is 2102231420479. The reversal of 2102231420423 is 3240241322012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102231420423 - 2⁴ = 2102231420407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102231420392 and 2102231420401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102231420483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051115710211 + 1051115710212.

It is an arithmetic number, because the mean of its divisors is an integer number (1051115710212).

Almost surely, 2^{2102231420423} is an apocalyptic number.

2102231420423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102231420423 is an equidigital number, since it uses as much as digits as its factorization.

2102231420423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2102231420423 its reverse (3240241322012), we get a palindrome (5342472742435).

The spelling of 2102231420423 in words is "two trillion, one hundred two billion, two hundred thirty-one million, four hundred twenty thousand, four hundred twenty-three".