123285254387 has 2 divisors, whose sum is σ = 123285254388. Its totient is φ = 123285254386.

The previous prime is 123285254333. The next prime is 123285254429. The reversal of 123285254387 is 783452582321.

It is a strong prime.

It is an emirp because it is prime and its reverse (783452582321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123285254387 - 2¹⁰ = 123285253363 is a prime.

It is not a weakly prime, because it can be changed into another prime (123285254317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61642627193 + 61642627194.

It is an arithmetic number, because the mean of its divisors is an integer number (61642627194).

Almost surely, 2^123285254387 is an apocalyptic number.

123285254387 is a deficient number, since it is larger than the sum of its proper divisors (1).

123285254387 is an equidigital number, since it uses as much as digits as its factorization.

123285254387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 50.

The spelling of 123285254387 in words is "one hundred twenty-three billion, two hundred eighty-five million, two hundred fifty-four thousand, three hundred eighty-seven".