1011432523 has 4 divisors (see below), whose sum is σ = 1012017888. Its totient is φ = 1010847160.

The previous prime is 1011432517. The next prime is 1011432551. The reversal of 1011432523 is 3252341101.

It is a happy number.

1011432523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3252341101 = 10169 ⋅319829.

It is a cyclic number.

It is not a de Polignac number, because 1011432523 - 2¹³ = 1011424331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011432494 and 1011432503.

It is not an unprimeable number, because it can be changed into a prime (1011432553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290083 + ... + 293548.

It is an arithmetic number, because the mean of its divisors is an integer number (253004472).

Almost surely, 2^1011432523 is an apocalyptic number.

1011432523 is a deficient number, since it is larger than the sum of its proper divisors (585365).

1011432523 is an equidigital number, since it uses as much as digits as its factorization.

1011432523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585364.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1011432523 is about 31803.0269471319. The cubic root of 1011432523 is about 1003.7964100320.

Adding to 1011432523 its reverse (3252341101), we get a palindrome (4263773624).

The spelling of 1011432523 in words is "one billion, eleven million, four hundred thirty-two thousand, five hundred twenty-three".