63471620123 has 2 divisors, whose sum is σ = 63471620124. Its totient is φ = 63471620122.

The previous prime is 63471620101. The next prime is 63471620137. The reversal of 63471620123 is 32102617436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63471620123 - 2⁶ = 63471620059 is a prime.

It is a super-2 number, since 2×63471620123² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63471623123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31735810061 + 31735810062.

It is an arithmetic number, because the mean of its divisors is an integer number (31735810062).

Almost surely, 2^63471620123 is an apocalyptic number.

63471620123 is a deficient number, since it is larger than the sum of its proper divisors (1).

63471620123 is an equidigital number, since it uses as much as digits as its factorization.

63471620123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 63471620123 in words is "sixty-three billion, four hundred seventy-one million, six hundred twenty thousand, one hundred twenty-three".