215423051330 has 8 divisors (see below), whose sum is σ = 387761492412. Its totient is φ = 86169220528.

The previous prime is 215423051287. The next prime is 215423051353. The reversal of 215423051330 is 33150324512.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 215178160129 + 244891201 = 463873^2 + 15649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 215423051293 and 215423051302.

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, 10771152557 + ... + 10771152576.

Almost surely, 2^215423051330 is an apocalyptic number.

215423051330 is a deficient number, since it is larger than the sum of its proper divisors (172338441082).

215423051330 is a wasteful number, since it uses less digits than its factorization.

215423051330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21542305140.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 215423051330 its reverse (33150324512), we get a palindrome (248573375842).

The spelling of 215423051330 in words is "two hundred fifteen billion, four hundred twenty-three million, fifty-one thousand, three hundred thirty".