22143203406123 has 16 divisors (see below), whose sum is σ = 31379910132480. Its totient is φ = 13849402637664.

The previous prime is 22143203406041. The next prime is 22143203406143. The reversal of 22143203406123 is 32160430234122.

It is not a de Polignac number, because 22143203406123 - 2²¹ = 22143201308971 is a prime.

It is a super-2 number, since 2×22143203406123² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22143203406143) 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 15 ways as a sum of consecutive naturals, for example, 1885806036 + ... + 1885817777.

It is an arithmetic number, because the mean of its divisors is an integer number (1961244383280).

Almost surely, 2^{22143203406123} is an apocalyptic number.

22143203406123 is a deficient number, since it is larger than the sum of its proper divisors (9236706726357).

22143203406123 is a wasteful number, since it uses less digits than its factorization.

22143203406123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771623938.

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 22143203406123 in words is "twenty-two trillion, one hundred forty-three billion, two hundred three million, four hundred six thousand, one hundred twenty-three".