2550401123243 has 4 divisors (see below), whose sum is σ = 2550624130320. Its totient is φ = 2550178116168.

The previous prime is 2550401123239. The next prime is 2550401123329. The reversal of 2550401123243 is 3423211040552.

2550401123243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2550401123243 - 2² = 2550401123239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550401123233) 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, 111486383 + ... + 111509256.

It is an arithmetic number, because the mean of its divisors is an integer number (637656032580).

Almost surely, 2^{2550401123243} is an apocalyptic number.

2550401123243 is a deficient number, since it is larger than the sum of its proper divisors (223007077).

2550401123243 is a wasteful number, since it uses less digits than its factorization.

2550401123243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223007076.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 2550401123243 its reverse (3423211040552), we get a palindrome (5973612163795).

The spelling of 2550401123243 in words is "two trillion, five hundred fifty billion, four hundred one million, one hundred twenty-three thousand, two hundred forty-three".