2126320923 has 8 divisors (see below), whose sum is σ = 2839285008. Its totient is φ = 1415452064.

The previous prime is 2126320901. The next prime is 2126320943. The reversal of 2126320923 is 3290236212.

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 2126320923 - 2⁵ = 2126320891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2126320943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521436 + ... + 525497.

It is an arithmetic number, because the mean of its divisors is an integer number (354910626).

Almost surely, 2^2126320923 is an apocalyptic number.

2126320923 is a deficient number, since it is larger than the sum of its proper divisors (712964085).

2126320923 is a wasteful number, since it uses less digits than its factorization.

2126320923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047613.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2126320923 is about 46112.0474821928. The cubic root of 2126320923 is about 1285.9071295625.

The spelling of 2126320923 in words is "two billion, one hundred twenty-six million, three hundred twenty thousand, nine hundred twenty-three".