15142343 has 4 divisors (see below), whose sum is σ = 15166608. Its totient is φ = 15118080.

The previous prime is 15142327. The next prime is 15142367. The reversal of 15142343 is 34324151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34324151 = 61 ⋅562691.

It is a cyclic number.

It is not a de Polignac number, because 15142343 - 2⁴ = 15142327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15142313) 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, 11171 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (3791652).

Almost surely, 2^15142343 is an apocalyptic number.

15142343 is a deficient number, since it is larger than the sum of its proper divisors (24265).

15142343 is an equidigital number, since it uses as much as digits as its factorization.

15142343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24264.

The product of its digits is 1440, while the sum is 23.

The square root of 15142343 is about 3891.3163582521. The cubic root of 15142343 is about 247.3988594671.

Adding to 15142343 its reverse (34324151), we get a palindrome (49466494).

The spelling of 15142343 in words is "fifteen million, one hundred forty-two thousand, three hundred forty-three".