2123130001 has 4 divisors (see below), whose sum is σ = 2126628352. Its totient is φ = 2119631652.

The previous prime is 2123129959. The next prime is 2123130011. The reversal of 2123130001 is 1000313212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2123130001 - 2¹⁹ = 2122605713 is a prime.

It is a super-2 number, since 2×2123130001² = 9015362002292520002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123130011) 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, 1748265 + ... + 1749478.

It is an arithmetic number, because the mean of its divisors is an integer number (531657088).

Almost surely, 2^2123130001 is an apocalyptic number.

It is an amenable number.

2123130001 is a deficient number, since it is larger than the sum of its proper divisors (3498351).

2123130001 is an equidigital number, since it uses as much as digits as its factorization.

2123130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498350.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2123130001 is about 46077.4348352857. The cubic root of 2123130001 is about 1285.2635635546.

Adding to 2123130001 its reverse (1000313212), we get a palindrome (3123443213).

The spelling of 2123130001 in words is "two billion, one hundred twenty-three million, one hundred thirty thousand, one".