2125655423 has 4 divisors (see below), whose sum is σ = 2218075248. Its totient is φ = 2033235600.

The previous prime is 2125655407. The next prime is 2125655429. The reversal of 2125655423 is 3245565212.

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 2125655423 - 2⁴ = 2125655407 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 (2125655429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46209878 + ... + 46209923.

It is an arithmetic number, because the mean of its divisors is an integer number (554518812).

Almost surely, 2^2125655423 is an apocalyptic number.

2125655423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2125655423 is a deficient number, since it is larger than the sum of its proper divisors (92419825).

2125655423 is an equidigital number, since it uses as much as digits as its factorization.

2125655423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92419824.

The product of its digits is 72000, while the sum is 35.

The square root of 2125655423 is about 46104.8307989521. The cubic root of 2125655423 is about 1285.7729603376.

The spelling of 2125655423 in words is "two billion, one hundred twenty-five million, six hundred fifty-five thousand, four hundred twenty-three".