15273405423 has 12 divisors (see below), whose sum is σ = 22102371928. Its totient is φ = 10163445840.

The previous prime is 15273405377. The next prime is 15273405443. The reversal of 15273405423 is 32450437251.

15273405423 is a `hidden beast` number, since 1 + 5 + 2 + 73 + 40 + 542 + 3 = 666.

It is not a de Polignac number, because 15273405423 - 2¹⁸ = 15273143279 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 (15273405443) 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 11 ways as a sum of consecutive naturals, for example, 1563565 + ... + 1573302.

Almost surely, 2^15273405423 is an apocalyptic number.

15273405423 is a deficient number, since it is larger than the sum of its proper divisors (6828966505).

15273405423 is a wasteful number, since it uses less digits than its factorization.

15273405423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137414 (or 3137411 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 15273405423 in words is "fifteen billion, two hundred seventy-three million, four hundred five thousand, four hundred twenty-three".