423525453212 has 12 divisors (see below), whose sum is σ = 748365364656. Its totient is φ = 209706777600.

The previous prime is 423525453187. The next prime is 423525453229. The reversal of 423525453212 is 212354525324.

It is a super-2 number, since 2×423525453212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513986789 + ... + 513987612.

It is an arithmetic number, because the mean of its divisors is an integer number (62363780388).

Almost surely, 2^423525453212 is an apocalyptic number.

It is an amenable number.

423525453212 is a deficient number, since it is larger than the sum of its proper divisors (324839911444).

423525453212 is a wasteful number, since it uses less digits than its factorization.

423525453212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027974508 (or 1027974506 counting only the distinct ones).

The product of its digits is 288000, while the sum is 38.

Adding to 423525453212 its reverse (212354525324), we get a palindrome (635879978536).

The spelling of 423525453212 in words is "four hundred twenty-three billion, five hundred twenty-five million, four hundred fifty-three thousand, two hundred twelve".