423501600601 has 4 divisors (see below), whose sum is σ = 438105104100. Its totient is φ = 408898097104.

The previous prime is 423501600581. The next prime is 423501600617. The reversal of 423501600601 is 106006105324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96345056025 + 327156544576 = 310395^2 + 571976^2 .

It is a cyclic number.

It is not a de Polignac number, because 423501600601 - 2⁹ = 423501600089 is a prime.

It is a super-2 number, since 2×423501600601² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423501600601.

It is not an unprimeable number, because it can be changed into a prime (423501600661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7301751706 + ... + 7301751763.

It is an arithmetic number, because the mean of its divisors is an integer number (109526276025).

Almost surely, 2^423501600601 is an apocalyptic number.

It is an amenable number.

423501600601 is a deficient number, since it is larger than the sum of its proper divisors (14603503499).

423501600601 is a wasteful number, since it uses less digits than its factorization.

423501600601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14603503498.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 423501600601 its reverse (106006105324), we get a palindrome (529507705925).

The spelling of 423501600601 in words is "four hundred twenty-three billion, five hundred one million, six hundred thousand, six hundred one".