1000523345 has 16 divisors (see below), whose sum is σ = 1296034560. Its totient is φ = 739214784.

The previous prime is 1000523333. The next prime is 1000523351. The reversal of 1000523345 is 5433250001.

1000523345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1000523345 - 2²² = 996329041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1000523345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146669 + ... + 153338.

It is an arithmetic number, because the mean of its divisors is an integer number (81002160).

Almost surely, 2^1000523345 is an apocalyptic number.

It is an amenable number.

1000523345 is a deficient number, since it is larger than the sum of its proper divisors (295511215).

1000523345 is a wasteful number, since it uses less digits than its factorization.

1000523345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300064.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1000523345 is about 31631.0503303321. The cubic root of 1000523345 is about 1000.1744179100.

Adding to 1000523345 its reverse (5433250001), we get a palindrome (6433773346).

The spelling of 1000523345 in words is "one billion, five hundred twenty-three thousand, three hundred forty-five".