15123104006 has 4 divisors (see below), whose sum is σ = 22684656012. Its totient is φ = 7561552002.

The previous prime is 15123103987. The next prime is 15123104021. The reversal of 15123104006 is 60040132151.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3780776000 + ... + 3780776003.

It is an arithmetic number, because the mean of its divisors is an integer number (5671164003).

Almost surely, 2^15123104006 is an apocalyptic number.

15123104006 is a deficient number, since it is larger than the sum of its proper divisors (7561552006).

15123104006 is an equidigital number, since it uses as much as digits as its factorization.

15123104006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7561552005.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 15123104006 its reverse (60040132151), we get a palindrome (75163236157).

The spelling of 15123104006 in words is "fifteen billion, one hundred twenty-three million, one hundred four thousand, six".