15723374103441 has 9 divisors (see below), whose sum is σ = 22711557554491. Its totient is φ = 10482241471752.

The previous prime is 15723374103439. The next prime is 15723374103443. The reversal of 15723374103441 is 14430147332751.

The square root of 15723374103441 is 3965271.

It is a perfect power (a square), and thus also a powerful number.

15723374103441 is a `hidden beast` number, since 1 + 5 + 7 + 2 + 33 + 74 + 103 + 441 = 666.

It is an interprime number because it is at equal distance from previous prime (15723374103439) and next prime (15723374103443).

It can be written as a sum of positive squares in only one way, i.e., 7088027652225 + 8635346451216 = 2662335^2 + 2938596^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 15723374103441 - 2¹ = 15723374103439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15723374103443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11234935 + ... + 12556691.

Almost surely, 2^{15723374103441} is an apocalyptic number.

15723374103441 is the 3965271-st square number.

15723374103441 is the 1982636-th centered octagonal number.

It is an amenable number.

15723374103441 is a deficient number, since it is larger than the sum of its proper divisors (6988183451050).

15723374103441 is an frugal number, since it uses more digits than its factorization.

15723374103441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643520 (or 1321760 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 15723374103441 in words is "fifteen trillion, seven hundred twenty-three billion, three hundred seventy-four million, one hundred three thousand, four hundred forty-one".