423055145532 has 48 divisors (see below), whose sum is σ = 1045392016032. Its totient is φ = 132698173440.

The previous prime is 423055145519. The next prime is 423055145537. The reversal of 423055145532 is 235541550324.

It is a super-2 number, since 2×423055145532² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423055145537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905028 + ... + 1290420.

It is an arithmetic number, because the mean of its divisors is an integer number (21779000334).

Almost surely, 2^423055145532 is an apocalyptic number.

It is an amenable number.

423055145532 is an abundant number, since it is smaller than the sum of its proper divisors (622336870500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423055145532 is a wasteful number, since it uses less digits than its factorization.

423055145532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390798 (or 390796 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 423055145532 its reverse (235541550324), we get a palindrome (658596695856).

The spelling of 423055145532 in words is "four hundred twenty-three billion, fifty-five million, one hundred forty-five thousand, five hundred thirty-two".