2123266451406 has 32 divisors (see below), whose sum is σ = 4250899455648. Its totient is φ = 707027927040.

The previous prime is 2123266451393. The next prime is 2123266451419. The reversal of 2123266451406 is 6041546623212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2123266451393) and next prime (2123266451419).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50459616 + ... + 50501676.

It is an arithmetic number, because the mean of its divisors is an integer number (132840607989).

Almost surely, 2^{2123266451406} is an apocalyptic number.

2123266451406 is an abundant number, since it is smaller than the sum of its proper divisors (2127633004242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123266451406 is a wasteful number, since it uses less digits than its factorization.

2123266451406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50516.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 2123266451406 in words is "two trillion, one hundred twenty-three billion, two hundred sixty-six million, four hundred fifty-one thousand, four hundred six".