15340544344223 has 4 divisors (see below), whose sum is σ = 17532050679120. Its totient is φ = 13149038009328.

The previous prime is 15340544344211. The next prime is 15340544344241. The reversal of 15340544344223 is 32244344504351.

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 15340544344223 - 2¹⁰ = 15340544343199 is a prime.

It is a super-2 number, since 2×15340544344223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15340544344243) 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, 1095753167438 + ... + 1095753167451.

It is an arithmetic number, because the mean of its divisors is an integer number (4383012669780).

Almost surely, 2^{15340544344223} is an apocalyptic number.

15340544344223 is a deficient number, since it is larger than the sum of its proper divisors (2191506334897).

15340544344223 is an equidigital number, since it uses as much as digits as its factorization.

15340544344223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191506334896.

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 15340544344223 its reverse (32244344504351), we get a palindrome (47584888848574).

The spelling of 15340544344223 in words is "fifteen trillion, three hundred forty billion, five hundred forty-four million, three hundred forty-four thousand, two hundred twenty-three".