421023143327 has 2 divisors, whose sum is σ = 421023143328. Its totient is φ = 421023143326.

The previous prime is 421023143251. The next prime is 421023143353. The reversal of 421023143327 is 723341320124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421023143327 - 2²² = 421018949023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421023143293 and 421023143302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421023143627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210511571663 + 210511571664.

It is an arithmetic number, because the mean of its divisors is an integer number (210511571664).

Almost surely, 2^421023143327 is an apocalyptic number.

421023143327 is a deficient number, since it is larger than the sum of its proper divisors (1).

421023143327 is an equidigital number, since it uses as much as digits as its factorization.

421023143327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 421023143327 in words is "four hundred twenty-one billion, twenty-three million, one hundred forty-three thousand, three hundred twenty-seven".