1045715723 has 12 divisors (see below), whose sum is σ = 1181579760. Its totient is φ = 923304096.

The previous prime is 1045715717. The next prime is 1045715743. The reversal of 1045715723 is 3275175401.

It is not a de Polignac number, because 1045715723 - 2⁴ = 1045715707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045715743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130628 + ... + 138401.

It is an arithmetic number, because the mean of its divisors is an integer number (98464980).

Almost surely, 2^1045715723 is an apocalyptic number.

1045715723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1045715723 is a deficient number, since it is larger than the sum of its proper divisors (135864037).

1045715723 is a wasteful number, since it uses less digits than its factorization.

1045715723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269078 (or 269065 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 1045715723 is about 32337.5280904401. The cubic root of 1045715723 is about 1015.0120839478.

The spelling of 1045715723 in words is "one billion, forty-five million, seven hundred fifteen thousand, seven hundred twenty-three".