15323263142 has 8 divisors (see below), whose sum is σ = 25074430632. Its totient is φ = 6965119600.

The previous prime is 15323263129. The next prime is 15323263181. The reversal of 15323263142 is 24136232351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 15323263099 and 15323263108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348255959 + ... + 348256002.

It is an arithmetic number, because the mean of its divisors is an integer number (3134303829).

Almost surely, 2^15323263142 is an apocalyptic number.

15323263142 is a deficient number, since it is larger than the sum of its proper divisors (9751167490).

15323263142 is a wasteful number, since it uses less digits than its factorization.

15323263142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696511974.

The product of its digits is 25920, while the sum is 32.

Adding to 15323263142 its reverse (24136232351), we get a palindrome (39459495493).

The spelling of 15323263142 in words is "fifteen billion, three hundred twenty-three million, two hundred sixty-three thousand, one hundred forty-two".