15123042404 has 6 divisors (see below), whose sum is σ = 26465324214. Its totient is φ = 7561521200.

The previous prime is 15123042379. The next prime is 15123042437. The reversal of 15123042404 is 40424032151.

It can be written as a sum of positive squares in only one way, i.e., 12533250304 + 2589792100 = 111952^2 + 50890^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1890380297 + ... + 1890380304.

It is an arithmetic number, because the mean of its divisors is an integer number (4410887369).

Almost surely, 2^15123042404 is an apocalyptic number.

It is an amenable number.

15123042404 is a deficient number, since it is larger than the sum of its proper divisors (11342281810).

15123042404 is a wasteful number, since it uses less digits than its factorization.

15123042404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780760605 (or 3780760603 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 15123042404 its reverse (40424032151), we get a palindrome (55547074555).

The spelling of 15123042404 in words is "fifteen billion, one hundred twenty-three million, forty-two thousand, four hundred four".