15423069 has 4 divisors (see below), whose sum is σ = 20564096. Its totient is φ = 10282044.

The previous prime is 15423047. The next prime is 15423071. The reversal of 15423069 is 96032451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 15423069 - 2⁹ = 15422557 is a prime.

It is a super-2 number, since 2×15423069² = 475742114757522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15423019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2570509 + ... + 2570514.

It is an arithmetic number, because the mean of its divisors is an integer number (5141024).

Almost surely, 2^15423069 is an apocalyptic number.

It is an amenable number.

15423069 is a deficient number, since it is larger than the sum of its proper divisors (5141027).

15423069 is an equidigital number, since it uses as much as digits as its factorization.

15423069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141026.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 15423069 is about 3927.2215369139. The cubic root of 15423069 is about 248.9183616497.

The spelling of 15423069 in words is "fifteen million, four hundred twenty-three thousand, sixty-nine".