423541579 has 2 divisors, whose sum is σ = 423541580. Its totient is φ = 423541578.

The previous prime is 423541567. The next prime is 423541609. The reversal of 423541579 is 975145324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423541579 - 2¹³ = 423533387 is a prime.

It is not a weakly prime, because it can be changed into another prime (423541879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211770789 + 211770790.

It is an arithmetic number, because the mean of its divisors is an integer number (211770790).

Almost surely, 2^423541579 is an apocalyptic number.

423541579 is a deficient number, since it is larger than the sum of its proper divisors (1).

423541579 is an equidigital number, since it uses as much as digits as its factorization.

423541579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 423541579 is about 20580.1258256601. The cubic root of 423541579 is about 750.9863047391.

The spelling of 423541579 in words is "four hundred twenty-three million, five hundred forty-one thousand, five hundred seventy-nine".