15113423 has 4 divisors (see below), whose sum is σ = 16276008. Its totient is φ = 13950840.

The previous prime is 15113419. The next prime is 15113431. The reversal of 15113423 is 32431151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15113423 - 2² = 15113419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15113395 and 15113404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15113443) 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, 581273 + ... + 581298.

It is an arithmetic number, because the mean of its divisors is an integer number (4069002).

Almost surely, 2^15113423 is an apocalyptic number.

15113423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15113423 is a deficient number, since it is larger than the sum of its proper divisors (1162585).

15113423 is a wasteful number, since it uses less digits than its factorization.

15113423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162584.

The product of its digits is 360, while the sum is 20.

The square root of 15113423 is about 3887.5986161125. The cubic root of 15113423 is about 247.2412586968.

Adding to 15113423 its reverse (32431151), we get a palindrome (47544574).

The spelling of 15113423 in words is "fifteen million, one hundred thirteen thousand, four hundred twenty-three".