2123140432045 has 8 divisors (see below), whose sum is σ = 2548488451680. Its totient is φ = 1698032390160.

The previous prime is 2123140432037. The next prime is 2123140432051. The reversal of 2123140432045 is 5402340413212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2123140432045 - 2³ = 2123140432037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123140431998 and 2123140432016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59974971 + ... + 60010360.

It is an arithmetic number, because the mean of its divisors is an integer number (318561056460).

Almost surely, 2^{2123140432045} is an apocalyptic number.

It is an amenable number.

2123140432045 is a deficient number, since it is larger than the sum of its proper divisors (425348019635).

2123140432045 is a wasteful number, since it uses less digits than its factorization.

2123140432045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119988875.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2123140432045 its reverse (5402340413212), we get a palindrome (7525480845257).

The spelling of 2123140432045 in words is "two trillion, one hundred twenty-three billion, one hundred forty million, four hundred thirty-two thousand, forty-five".