4321542453623 has 2 divisors, whose sum is σ = 4321542453624. Its totient is φ = 4321542453622.

The previous prime is 4321542453619. The next prime is 4321542453647. The reversal of 4321542453623 is 3263542451234.

4321542453623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4321542453623 - 2² = 4321542453619 is a prime.

It is a super-2 number, since 2×4321542453623² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4321542453223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160771226811 + 2160771226812.

It is an arithmetic number, because the mean of its divisors is an integer number (2160771226812).

Almost surely, 2^{4321542453623} is an apocalyptic number.

4321542453623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321542453623 is an equidigital number, since it uses as much as digits as its factorization.

4321542453623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 44.

The spelling of 4321542453623 in words is "four trillion, three hundred twenty-one billion, five hundred forty-two million, four hundred fifty-three thousand, six hundred twenty-three".