15601423 has 8 divisors (see below), whose sum is σ = 15811488. Its totient is φ = 15393024.

The previous prime is 15601409. The next prime is 15601477. The reversal of 15601423 is 32410651.

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 15601423 - 2⁹ = 15600911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15601394 and 15601403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15601493) 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, 35815 + ... + 36247.

It is an arithmetic number, because the mean of its divisors is an integer number (1976436).

Almost surely, 2^15601423 is an apocalyptic number.

15601423 is a deficient number, since it is larger than the sum of its proper divisors (210065).

15601423 is a wasteful number, since it uses less digits than its factorization.

15601423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 15601423 is about 3949.8636685334. The cubic root of 15601423 is about 249.8741927007.

The spelling of 15601423 in words is "fifteen million, six hundred one thousand, four hundred twenty-three".