15345423 has 8 divisors (see below), whose sum is σ = 22734000. Its totient is φ = 10230264.

The previous prime is 15345413. The next prime is 15345433. The reversal of 15345423 is 32454351.

It is an interprime number because it is at equal distance from previous prime (15345413) and next prime (15345433).

It is not a de Polignac number, because 15345423 - 2⁵ = 15345391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 568349 = 15345423 / (1 + 5 + 3 + 4 + 5 + 4 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15345413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284148 + ... + 284201.

It is an arithmetic number, because the mean of its divisors is an integer number (2841750).

Almost surely, 2^15345423 is an apocalyptic number.

15345423 is a deficient number, since it is larger than the sum of its proper divisors (7388577).

15345423 is an equidigital number, since it uses as much as digits as its factorization.

15345423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568358 (or 568352 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 15345423 is about 3917.3234484786. The cubic root of 15345423 is about 248.4999399482.

Adding to 15345423 its reverse (32454351), we get a palindrome (47799774).

The spelling of 15345423 in words is "fifteen million, three hundred forty-five thousand, four hundred twenty-three".