2125154353123 has 8 divisors (see below), whose sum is σ = 2179917413856. Its totient is φ = 2070530817600.

The previous prime is 2125154353087. The next prime is 2125154353177. The reversal of 2125154353123 is 3213534515212.

It is a happy number.

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 2125154353123 - 2³³ = 2116564418531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125154351123) 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, 34850448 + ... + 34911373.

It is an arithmetic number, because the mean of its divisors is an integer number (272489676732).

Almost surely, 2^{2125154353123} is an apocalyptic number.

2125154353123 is a deficient number, since it is larger than the sum of its proper divisors (54763060733).

2125154353123 is an equidigital number, since it uses as much as digits as its factorization.

2125154353123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69762605.

The product of its digits is 108000, while the sum is 37.

Adding to 2125154353123 its reverse (3213534515212), we get a palindrome (5338688868335).

The spelling of 2125154353123 in words is "two trillion, one hundred twenty-five billion, one hundred fifty-four million, three hundred fifty-three thousand, one hundred twenty-three".