63215311351223 has 2 divisors, whose sum is σ = 63215311351224. Its totient is φ = 63215311351222.

The previous prime is 63215311351219. The next prime is 63215311351243. The reversal of 63215311351223 is 32215311351236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63215311351223 - 2² = 63215311351219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63215311351243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31607655675611 + 31607655675612.

It is an arithmetic number, because the mean of its divisors is an integer number (31607655675612).

Almost surely, 2^{63215311351223} is an apocalyptic number.

63215311351223 is a deficient number, since it is larger than the sum of its proper divisors (1).

63215311351223 is an equidigital number, since it uses as much as digits as its factorization.

63215311351223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 38.

The spelling of 63215311351223 in words is "sixty-three trillion, two hundred fifteen billion, three hundred eleven million, three hundred fifty-one thousand, two hundred twenty-three".