1045513423 has 16 divisors (see below), whose sum is σ = 1092268800. Its totient is φ = 999532800.

The previous prime is 1045513421. The next prime is 1045513439. The reversal of 1045513423 is 3243155401.

It is a cyclic number.

It is not a de Polignac number, because 1045513423 - 2¹ = 1045513421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045513391 and 1045513400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045513421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1739323 + ... + 1739923.

It is an arithmetic number, because the mean of its divisors is an integer number (68266800).

Almost surely, 2^1045513423 is an apocalyptic number.

1045513423 is a deficient number, since it is larger than the sum of its proper divisors (46755377).

1045513423 is a wasteful number, since it uses less digits than its factorization.

1045513423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1045513423 is about 32334.3999944332. The cubic root of 1045513423 is about 1014.9466263278.

Adding to 1045513423 its reverse (3243155401), we get a palindrome (4288668824).

The spelling of 1045513423 in words is "one billion, forty-five million, five hundred thirteen thousand, four hundred twenty-three".