2125251223423 has 4 divisors (see below), whose sum is σ = 2125270843848. Its totient is φ = 2125231603000.

The previous prime is 2125251223409. The next prime is 2125251223429. The reversal of 2125251223423 is 3243221525212.

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 2125251223423 - 2⁵ = 2125251223391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125251223429) 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, 9646828 + ... + 9864673.

It is an arithmetic number, because the mean of its divisors is an integer number (531317710962).

Almost surely, 2^{2125251223423} is an apocalyptic number.

2125251223423 is a deficient number, since it is larger than the sum of its proper divisors (19620425).

2125251223423 is a wasteful number, since it uses less digits than its factorization.

2125251223423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19620424.

The product of its digits is 57600, while the sum is 34.

Adding to 2125251223423 its reverse (3243221525212), we get a palindrome (5368472748635).

The spelling of 2125251223423 in words is "two trillion, one hundred twenty-five billion, two hundred fifty-one million, two hundred twenty-three thousand, four hundred twenty-three".