423445532101 has 4 divisors (see below), whose sum is σ = 423706758604. Its totient is φ = 423184305600.

The previous prime is 423445532057. The next prime is 423445532137. The reversal of 423445532101 is 101235544324.

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 168203335876 + 255242196225 = 410126^2 + 505215^2 .

It is a cyclic number.

It is not a de Polignac number, because 423445532101 - 2⁹ = 423445531589 is a prime.

It is a super-2 number, since 2×423445532101² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423445532141) 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, 130610820 + ... + 130614061.

It is an arithmetic number, because the mean of its divisors is an integer number (105926689651).

Almost surely, 2^423445532101 is an apocalyptic number.

It is an amenable number.

423445532101 is a deficient number, since it is larger than the sum of its proper divisors (261226503).

423445532101 is a wasteful number, since it uses less digits than its factorization.

423445532101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261226502.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 423445532101 in words is "four hundred twenty-three billion, four hundred forty-five million, five hundred thirty-two thousand, one hundred one".