315210423443 has 2 divisors, whose sum is σ = 315210423444. Its totient is φ = 315210423442.

The previous prime is 315210423431. The next prime is 315210423457. The reversal of 315210423443 is 344324012513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315210423443 - 2³⁶ = 246490946707 is a prime.

It is a super-2 number, since 2×315210423443² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315210423403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157605211721 + 157605211722.

It is an arithmetic number, because the mean of its divisors is an integer number (157605211722).

Almost surely, 2^315210423443 is an apocalyptic number.

315210423443 is a deficient number, since it is larger than the sum of its proper divisors (1).

315210423443 is an equidigital number, since it uses as much as digits as its factorization.

315210423443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 315210423443 its reverse (344324012513), we get a palindrome (659534435956).

The spelling of 315210423443 in words is "three hundred fifteen billion, two hundred ten million, four hundred twenty-three thousand, four hundred forty-three".