123252455321 has 2 divisors, whose sum is σ = 123252455322. Its totient is φ = 123252455320.

The previous prime is 123252455281. The next prime is 123252455323. The reversal of 123252455321 is 123554252321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117125479696 + 6126975625 = 342236^2 + 78275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123252455321 is a prime.

Together with 123252455323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123252455323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61626227660 + 61626227661.

It is an arithmetic number, because the mean of its divisors is an integer number (61626227661).

Almost surely, 2^123252455321 is an apocalyptic number.

It is an amenable number.

123252455321 is a deficient number, since it is larger than the sum of its proper divisors (1).

123252455321 is an equidigital number, since it uses as much as digits as its factorization.

123252455321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 35.

The spelling of 123252455321 in words is "one hundred twenty-three billion, two hundred fifty-two million, four hundred fifty-five thousand, three hundred twenty-one".