123285254401 has 4 divisors (see below), whose sum is σ = 127536470100. Its totient is φ = 119034038704.

The previous prime is 123285254387. The next prime is 123285254429. The reversal of 123285254401 is 104452582321.

It is a Cunningham number, because it is equal to 351120²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104452582321 = 661 ⋅158022061.

It can be written as a sum of positive squares in 2 ways, for example, as 64648147600 + 58637106801 = 254260^2 + 242151^2 .

It is a cyclic number.

It is not a de Polignac number, because 123285254401 - 2¹¹ = 123285252353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123285254431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2125607806 + ... + 2125607863.

It is an arithmetic number, because the mean of its divisors is an integer number (31884117525).

Almost surely, 2^123285254401 is an apocalyptic number.

It is an amenable number.

123285254401 is a deficient number, since it is larger than the sum of its proper divisors (4251215699).

123285254401 is an equidigital number, since it uses as much as digits as its factorization.

123285254401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251215698.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 123285254401 in words is "one hundred twenty-three billion, two hundred eighty-five million, two hundred fifty-four thousand, four hundred one".