213303423042 has 96 divisors (see below), whose sum is σ = 483256350720. Its totient is φ = 67919472000.

The previous prime is 213303423007. The next prime is 213303423059. The reversal of 213303423042 is 240324303312.

213303423042 is a `hidden beast` number, since 2 + 13 + 3 + 0 + 342 + 304 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 213303422997 and 213303423015.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16476292 + ... + 16489232.

It is an arithmetic number, because the mean of its divisors is an integer number (5033920320).

Almost surely, 2^213303423042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213303423042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241628175360).

213303423042 is an abundant number, since it is smaller than the sum of its proper divisors (269952927678).

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

213303423042 is a wasteful number, since it uses less digits than its factorization.

213303423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13360 (or 13357 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 213303423042 its reverse (240324303312), we get a palindrome (453627726354).

The spelling of 213303423042 in words is "two hundred thirteen billion, three hundred three million, four hundred twenty-three thousand, forty-two".