423537601 has 2 divisors, whose sum is σ = 423537602. Its totient is φ = 423537600.

The previous prime is 423537563. The next prime is 423537613. The reversal of 423537601 is 106735324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386083201 + 37454400 = 19649^2 + 6120^2 .

It is a cyclic number.

It is not a de Polignac number, because 423537601 - 2²¹ = 421440449 is a prime.

It is not a weakly prime, because it can be changed into another prime (423537641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211768800 + 211768801.

It is an arithmetic number, because the mean of its divisors is an integer number (211768801).

Almost surely, 2^423537601 is an apocalyptic number.

It is an amenable number.

423537601 is a deficient number, since it is larger than the sum of its proper divisors (1).

423537601 is an equidigital number, since it uses as much as digits as its factorization.

423537601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 423537601 is about 20580.0291787937. The cubic root of 423537601 is about 750.9839535863.

The spelling of 423537601 in words is "four hundred twenty-three million, five hundred thirty-seven thousand, six hundred one".