423057841 has 2 divisors, whose sum is σ = 423057842. Its totient is φ = 423057840.

The previous prime is 423057839. The next prime is 423057853. The reversal of 423057841 is 148750324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403166241 + 19891600 = 20079^2 + 4460^2 .

It is a cyclic number.

It is not a de Polignac number, because 423057841 - 2¹ = 423057839 is a prime.

Together with 423057839, it forms a pair of twin primes.

It is equal to p_22498531 and since 423057841 and 22498531 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 423057797 and 423057806.

It is not a weakly prime, because it can be changed into another prime (423057821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211528920 + 211528921.

It is an arithmetic number, because the mean of its divisors is an integer number (211528921).

Almost surely, 2^423057841 is an apocalyptic number.

It is an amenable number.

423057841 is a deficient number, since it is larger than the sum of its proper divisors (1).

423057841 is an equidigital number, since it uses as much as digits as its factorization.

423057841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 423057841 is about 20568.3699159656. The cubic root of 423057841 is about 750.7002887389.

The spelling of 423057841 in words is "four hundred twenty-three million, fifty-seven thousand, eight hundred forty-one".