15454503423 has 12 divisors (see below), whose sum is σ = 23498075640. Its totient is φ = 9760738896.

The previous prime is 15454503409. The next prime is 15454503431. The reversal of 15454503423 is 32430545451.

15454503423 is a `hidden beast` number, since 154 + 5 + 450 + 34 + 23 = 666.

It is not a de Polignac number, because 15454503423 - 2²⁰ = 15453454847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15454503443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45188436 + ... + 45188777.

It is an arithmetic number, because the mean of its divisors is an integer number (1958172970).

Almost surely, 2^15454503423 is an apocalyptic number.

15454503423 is a deficient number, since it is larger than the sum of its proper divisors (8043572217).

15454503423 is a wasteful number, since it uses less digits than its factorization.

15454503423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90377238 (or 90377235 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 15454503423 in words is "fifteen billion, four hundred fifty-four million, five hundred three thousand, four hundred twenty-three".