215007230443 has 2 divisors, whose sum is σ = 215007230444. Its totient is φ = 215007230442.

The previous prime is 215007230423. The next prime is 215007230461. The reversal of 215007230443 is 344032700512.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 215007230443 - 2⁵ = 215007230411 is a prime.

It is not a weakly prime, because it can be changed into another prime (215007230423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107503615221 + 107503615222.

It is an arithmetic number, because the mean of its divisors is an integer number (107503615222).

Almost surely, 2^215007230443 is an apocalyptic number.

215007230443 is a deficient number, since it is larger than the sum of its proper divisors (1).

215007230443 is an equidigital number, since it uses as much as digits as its factorization.

215007230443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 215007230443 its reverse (344032700512), we get a palindrome (559039930955).

The spelling of 215007230443 in words is "two hundred fifteen billion, seven million, two hundred thirty thousand, four hundred forty-three".