4543212123454 has 4 divisors (see below), whose sum is σ = 6814818185184. Its totient is φ = 2271606061726.

The previous prime is 4543212123391. The next prime is 4543212123503.

4543212123454 is nontrivially palindromic in base 10.

4543212123454 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135803030862 + ... + 1135803030865.

It is an arithmetic number, because the mean of its divisors is an integer number (1703704546296).

Almost surely, 2^{4543212123454} is an apocalyptic number.

4543212123454 is a deficient number, since it is larger than the sum of its proper divisors (2271606061730).

4543212123454 is a wasteful number, since it uses less digits than its factorization.

4543212123454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271606061729.

The product of its digits is 460800, while the sum is 40.

The spelling of 4543212123454 in words is "four trillion, five hundred forty-three billion, two hundred twelve million, one hundred twenty-three thousand, four hundred fifty-four".