2145132012423 has 8 divisors (see below), whose sum is σ = 2860747728768. Its totient is φ = 1429802152184.

The previous prime is 2145132012379. The next prime is 2145132012427. The reversal of 2145132012423 is 3242102315412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2145132012423 - 2⁸ = 2145132012167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145132012427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71446515 + ... + 71476532.

It is an arithmetic number, because the mean of its divisors is an integer number (357593466096).

Almost surely, 2^{2145132012423} is an apocalyptic number.

2145132012423 is a deficient number, since it is larger than the sum of its proper divisors (715615716345).

2145132012423 is a wasteful number, since it uses less digits than its factorization.

2145132012423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142928053.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 2145132012423 its reverse (3242102315412), we get a palindrome (5387234327835).

The spelling of 2145132012423 in words is "two trillion, one hundred forty-five billion, one hundred thirty-two million, twelve thousand, four hundred twenty-three".