123021530327 has 2 divisors, whose sum is σ = 123021530328. Its totient is φ = 123021530326.

The previous prime is 123021530323. The next prime is 123021530341. The reversal of 123021530327 is 723035120321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123021530327 - 2² = 123021530323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123021530327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123021530323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61510765163 + 61510765164.

It is an arithmetic number, because the mean of its divisors is an integer number (61510765164).

Almost surely, 2^123021530327 is an apocalyptic number.

123021530327 is a deficient number, since it is larger than the sum of its proper divisors (1).

123021530327 is an equidigital number, since it uses as much as digits as its factorization.

123021530327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 123021530327 its reverse (723035120321), we get a palindrome (846056650648).

The spelling of 123021530327 in words is "one hundred twenty-three billion, twenty-one million, five hundred thirty thousand, three hundred twenty-seven".