1487231523 has 20 divisors (see below), whose sum is σ = 2243249008. Its totient is φ = 981856080.

The previous prime is 1487231521. The next prime is 1487231531. The reversal of 1487231523 is 3251327841.

1487231523 is a `hidden beast` number, since 1 + 487 + 23 + 152 + 3 = 666.

It is not a de Polignac number, because 1487231523 - 2¹ = 1487231521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1487231521) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80788 + ... + 97473.

Almost surely, 2^1487231523 is an apocalyptic number.

1487231523 is a deficient number, since it is larger than the sum of its proper divisors (756017485).

1487231523 is a wasteful number, since it uses less digits than its factorization.

1487231523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178376 (or 178367 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 1487231523 is about 38564.6408384676. The cubic root of 1487231523 is about 1141.4569253380.

The spelling of 1487231523 in words is "one billion, four hundred eighty-seven million, two hundred thirty-one thousand, five hundred twenty-three".