423106115021532 has 144 divisors (see below), whose sum is σ = 1113314984990208. Its totient is φ = 135390607349760.

The previous prime is 423106115021507. The next prime is 423106115021537. The reversal of 423106115021532 is 235120511601324.

423106115021532 is a `hidden beast` number, since 4 + 2 + 3 + 1 + 0 + 6 + 115 + 0 + 2 + 1 + 532 = 666.

It is a super-2 number, since 2×423106115021532² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423106115021537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16266157 + ... + 33328667.

It is an arithmetic number, because the mean of its divisors is an integer number (7731354062432).

Almost surely, 2^{423106115021532} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423106115021532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556657492495104).

423106115021532 is an abundant number, since it is smaller than the sum of its proper divisors (690208869968676).

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

423106115021532 is a wasteful number, since it uses less digits than its factorization.

423106115021532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17062840 (or 17062835 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 423106115021532 its reverse (235120511601324), we get a palindrome (658226626622856).

The spelling of 423106115021532 in words is "four hundred twenty-three trillion, one hundred six billion, one hundred fifteen million, twenty-one thousand, five hundred thirty-two".