2145463622223 has 4 divisors (see below), whose sum is σ = 2860618162968. Its totient is φ = 1430309081480.

The previous prime is 2145463622167. The next prime is 2145463622231. The reversal of 2145463622223 is 3222263645412.

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 2145463622223 - 2¹² = 2145463618127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145463622623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357577270368 + ... + 357577270373.

It is an arithmetic number, because the mean of its divisors is an integer number (715154540742).

Almost surely, 2^{2145463622223} is an apocalyptic number.

2145463622223 is a deficient number, since it is larger than the sum of its proper divisors (715154540745).

2145463622223 is an equidigital number, since it uses as much as digits as its factorization.

2145463622223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715154540744.

The product of its digits is 829440, while the sum is 42.

The spelling of 2145463622223 in words is "two trillion, one hundred forty-five billion, four hundred sixty-three million, six hundred twenty-two thousand, two hundred twenty-three".