15701423 has 4 divisors (see below), whose sum is σ = 15853968. Its totient is φ = 15548880.

The previous prime is 15701419. The next prime is 15701447. The reversal of 15701423 is 32410751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32410751 = 19 ⋅1705829.

It is not a de Polignac number, because 15701423 - 2² = 15701419 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15701453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76118 + ... + 76323.

It is an arithmetic number, because the mean of its divisors is an integer number (3963492).

Almost surely, 2^15701423 is an apocalyptic number.

15701423 is a deficient number, since it is larger than the sum of its proper divisors (152545).

15701423 is a wasteful number, since it uses less digits than its factorization.

15701423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152544.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 15701423 is about 3962.5021135641. The cubic root of 15701423 is about 250.4069266169.

The spelling of 15701423 in words is "fifteen million, seven hundred one thousand, four hundred twenty-three".