421140383 has 2 divisors, whose sum is σ = 421140384. Its totient is φ = 421140382.

The previous prime is 421140353. The next prime is 421140413. The reversal of 421140383 is 383041124.

It is a balanced prime because it is at equal distance from previous prime (421140353) and next prime (421140413).

It is a cyclic number.

It is not a de Polignac number, because 421140383 - 2⁶ = 421140319 is a prime.

It is equal to p_22401944 and since 421140383 and 22401944 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421140353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210570191 + 210570192.

It is an arithmetic number, because the mean of its divisors is an integer number (210570192).

Almost surely, 2^421140383 is an apocalyptic number.

421140383 is a deficient number, since it is larger than the sum of its proper divisors (1).

421140383 is an equidigital number, since it uses as much as digits as its factorization.

421140383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 421140383 is about 20521.7051679435. The cubic root of 421140383 is about 749.5644184814.

The spelling of 421140383 in words is "four hundred twenty-one million, one hundred forty thousand, three hundred eighty-three".