10420211423 has 2 divisors, whose sum is σ = 10420211424. Its totient is φ = 10420211422.

The previous prime is 10420211383. The next prime is 10420211441. The reversal of 10420211423 is 32411202401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10420211423 - 2⁶ = 10420211359 is a prime.

It is a super-2 number, since 2×10420211423² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 10420211395 and 10420211404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10420211023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210105711 + 5210105712.

It is an arithmetic number, because the mean of its divisors is an integer number (5210105712).

Almost surely, 2^10420211423 is an apocalyptic number.

10420211423 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420211423 is an equidigital number, since it uses as much as digits as its factorization.

10420211423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10420211423 its reverse (32411202401), we get a palindrome (42831413824).

The spelling of 10420211423 in words is "ten billion, four hundred twenty million, two hundred eleven thousand, four hundred twenty-three".