1081528423 has 8 divisors (see below), whose sum is σ = 1148176080. Its totient is φ = 1015217280.

The previous prime is 1081528417. The next prime is 1081528453. The reversal of 1081528423 is 3248251801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1081528423 - 2²¹ = 1079431271 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 (1081528453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77488 + ... + 90373.

It is an arithmetic number, because the mean of its divisors is an integer number (143522010).

Almost surely, 2^1081528423 is an apocalyptic number.

1081528423 is a deficient number, since it is larger than the sum of its proper divisors (66647657).

1081528423 is a wasteful number, since it uses less digits than its factorization.

1081528423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168257.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 1081528423 is about 32886.5994441505. The cubic root of 1081528423 is about 1026.4693336769.

The spelling of 1081528423 in words is "one billion, eighty-one million, five hundred twenty-eight thousand, four hundred twenty-three".