5420432121523 has 8 divisors (see below), whose sum is σ = 5443576033280. Its totient is φ = 5397323845320.

The previous prime is 5420432121473. The next prime is 5420432121529. The reversal of 5420432121523 is 3251212340245.

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 5420432121523 - 2¹⁷ = 5420431990451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5420432121529) 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, 8604003 + ... + 9212476.

It is an arithmetic number, because the mean of its divisors is an integer number (680447004160).

Almost surely, 2^{5420432121523} is an apocalyptic number.

5420432121523 is a deficient number, since it is larger than the sum of its proper divisors (23143911757).

5420432121523 is a wasteful number, since it uses less digits than its factorization.

5420432121523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17817777.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 5420432121523 its reverse (3251212340245), we get a palindrome (8671644461768).

The spelling of 5420432121523 in words is "five trillion, four hundred twenty billion, four hundred thirty-two million, one hundred twenty-one thousand, five hundred twenty-three".