15023405412 has 72 divisors (see below), whose sum is σ = 40423874400. Its totient is φ = 4690908288.

The previous prime is 15023405357. The next prime is 15023405417. The reversal of 15023405412 is 21450432051.

15023405412 is a `hidden beast` number, since 15 + 0 + 234 + 0 + 5 + 412 = 666.

It is not an unprimeable number, because it can be changed into a prime (15023405417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62518 + ... + 184269.

It is an arithmetic number, because the mean of its divisors is an integer number (561442700).

Almost surely, 2^15023405412 is an apocalyptic number.

15023405412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15023405412 is an abundant number, since it is smaller than the sum of its proper divisors (25400468988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15023405412 is a wasteful number, since it uses less digits than its factorization.

15023405412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246905 (or 246900 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 15023405412 its reverse (21450432051), we get a palindrome (36473837463).

The spelling of 15023405412 in words is "fifteen billion, twenty-three million, four hundred five thousand, four hundred twelve".