15967423 has 2 divisors, whose sum is σ = 15967424. Its totient is φ = 15967422.

The previous prime is 15967411. The next prime is 15967433. The reversal of 15967423 is 32476951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15967423 - 2¹³ = 15959231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15967433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7983711 + 7983712.

It is an arithmetic number, because the mean of its divisors is an integer number (7983712).

Almost surely, 2^15967423 is an apocalyptic number.

15967423 is a deficient number, since it is larger than the sum of its proper divisors (1).

15967423 is an equidigital number, since it uses as much as digits as its factorization.

15967423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 15967423 is about 3995.9258001119. The cubic root of 15967423 is about 251.8130752459.

The spelling of 15967423 in words is "fifteen million, nine hundred sixty-seven thousand, four hundred twenty-three".