20828822423 has 2 divisors, whose sum is σ = 20828822424. Its totient is φ = 20828822422.

The previous prime is 20828822387. The next prime is 20828822459. The reversal of 20828822423 is 32422882802.

It is a balanced prime because it is at equal distance from previous prime (20828822387) and next prime (20828822459).

It is a cyclic number.

It is not a de Polignac number, because 20828822423 - 2¹⁰ = 20828821399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20828822473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10414411211 + 10414411212.

It is an arithmetic number, because the mean of its divisors is an integer number (10414411212).

Almost surely, 2^20828822423 is an apocalyptic number.

20828822423 is a deficient number, since it is larger than the sum of its proper divisors (1).

20828822423 is an equidigital number, since it uses as much as digits as its factorization.

20828822423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196608, while the sum is 41.

The spelling of 20828822423 in words is "twenty billion, eight hundred twenty-eight million, eight hundred twenty-two thousand, four hundred twenty-three".