900352231128 has 96 divisors (see below), whose sum is σ = 2787082421760. Its totient is φ = 257217842880.

The previous prime is 900352231123. The next prime is 900352231171. The reversal of 900352231128 is 821132253009.

900352231128 is a `hidden beast` number, since 9 + 0 + 0 + 3 + 522 + 3 + 1 + 128 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 900352231092 and 900352231101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900352231123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5292433 + ... + 5459903.

It is an arithmetic number, because the mean of its divisors is an integer number (29032108560).

Almost surely, 2^900352231128 is an apocalyptic number.

It is an amenable number.

900352231128 is an abundant number, since it is smaller than the sum of its proper divisors (1886730190632).

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

900352231128 is a wasteful number, since it uses less digits than its factorization.

900352231128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178157 (or 178150 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 900352231128 in words is "nine hundred billion, three hundred fifty-two million, two hundred thirty-one thousand, one hundred twenty-eight".