15712723 has 8 divisors (see below), whose sum is σ = 16990848. Its totient is φ = 14444544.

The previous prime is 15712681. The next prime is 15712727. The reversal of 15712723 is 32721751.

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 15712723 - 2¹³ = 15704531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15712691 and 15712700.

It is not an unprimeable number, because it can be changed into a prime (15712727) 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, 990 + ... + 5692.

It is an arithmetic number, because the mean of its divisors is an integer number (2123856).

Almost surely, 2^15712723 is an apocalyptic number.

15712723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15712723 is a deficient number, since it is larger than the sum of its proper divisors (1278125).

15712723 is a wasteful number, since it uses less digits than its factorization.

15712723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973.

The product of its digits is 2940, while the sum is 28.

The square root of 15712723 is about 3963.9277238618. The cubic root of 15712723 is about 250.4669831638.

Subtracting 15712723 from its reverse (32721751), we obtain a triangular number (17009028 = T₅₈₃₂).

It can be divided in two parts, 157 and 12723, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 15712723 in words is "fifteen million, seven hundred twelve thousand, seven hundred twenty-three".