123285254399 has 8 divisors (see below), whose sum is σ = 123791572320. Its totient is φ = 122779641600.

The previous prime is 123285254387. The next prime is 123285254429. The reversal of 123285254399 is 993452582321.

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

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123285254399 - 2²⁴ = 123268477183 is a prime.

It is a super-2 number, since 2×123285254399² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123285254399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123285284399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175559 + ... + 526679.

It is an arithmetic number, because the mean of its divisors is an integer number (15473946540).

Almost surely, 2^123285254399 is an apocalyptic number.

123285254399 is a deficient number, since it is larger than the sum of its proper divisors (506317921).

123285254399 is a wasteful number, since it uses less digits than its factorization.

123285254399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352561.

The product of its digits is 4665600, while the sum is 53.

The spelling of 123285254399 in words is "one hundred twenty-three billion, two hundred eighty-five million, two hundred fifty-four thousand, three hundred ninety-nine".