15351351454423 has 4 divisors (see below), whose sum is σ = 15430892135728. Its totient is φ = 15271810773120.

The previous prime is 15351351454381. The next prime is 15351351454427. The reversal of 15351351454423 is 32445415315351.

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 15351351454423 - 2²¹ = 15351349357271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15351351454427) 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, 39770340363 + ... + 39770340748.

It is an arithmetic number, because the mean of its divisors is an integer number (3857723033932).

Almost surely, 2^{15351351454423} is an apocalyptic number.

15351351454423 is a deficient number, since it is larger than the sum of its proper divisors (79540681305).

15351351454423 is an equidigital number, since it uses as much as digits as its factorization.

15351351454423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79540681304.

The product of its digits is 2160000, while the sum is 46.

Adding to 15351351454423 its reverse (32445415315351), we get a palindrome (47796766769774).

The spelling of 15351351454423 in words is "fifteen trillion, three hundred fifty-one billion, three hundred fifty-one million, four hundred fifty-four thousand, four hundred twenty-three".