2123326960019 has 4 divisors (see below), whose sum is σ = 2123331114480. Its totient is φ = 2123322805560.

The previous prime is 2123326960009. The next prime is 2123326960091. The reversal of 2123326960019 is 9100696233212.

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 2123326960019 - 2²⁸ = 2123058524563 is a prime.

It is a super-2 number, since 2×2123326960019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123326960009) 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 3 ways as a sum of consecutive naturals, for example, 1181972 + ... + 2375649.

It is an arithmetic number, because the mean of its divisors is an integer number (530832778620).

Almost surely, 2^{2123326960019} is an apocalyptic number.

2123326960019 is a deficient number, since it is larger than the sum of its proper divisors (4154461).

2123326960019 is an equidigital number, since it uses as much as digits as its factorization.

2123326960019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154460.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 2123326960019 in words is "two trillion, one hundred twenty-three billion, three hundred twenty-six million, nine hundred sixty thousand, nineteen".