8523428212 has 12 divisors (see below), whose sum is σ = 16063384036. Its totient is φ = 3933889920.

The previous prime is 8523428203. The next prime is 8523428219. The reversal of 8523428212 is 2128243258.

It can be written as a sum of positive squares in 2 ways, for example, as 5061753316 + 3461674896 = 71146^2 + 58836^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8523428219) 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, 81955989 + ... + 81956092.

Almost surely, 2^8523428212 is an apocalyptic number.

It is an amenable number.

8523428212 is a deficient number, since it is larger than the sum of its proper divisors (7539955824).

8523428212 is a wasteful number, since it uses less digits than its factorization.

8523428212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163912098 (or 163912096 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 8523428212 is about 92322.4144614947. The cubic root of 8523428212 is about 2042.7008481884.

The spelling of 8523428212 in words is "eight billion, five hundred twenty-three million, four hundred twenty-eight thousand, two hundred twelve".