1045523007403 has 16 divisors (see below), whose sum is σ = 1246867854336. Its totient is φ = 857176325280.

The previous prime is 1045523007383. The next prime is 1045523007421. The reversal of 1045523007403 is 3047003255401.

It is a cyclic number.

It is not a de Polignac number, because 1045523007403 - 2⁵ = 1045523007371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045523007493) 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, 9000633 + ... + 9116053.

It is an arithmetic number, because the mean of its divisors is an integer number (77929240896).

Almost surely, 2^{1045523007403} is an apocalyptic number.

1045523007403 is a deficient number, since it is larger than the sum of its proper divisors (201344846933).

1045523007403 is a wasteful number, since it uses less digits than its factorization.

1045523007403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171714.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 1045523007403 in words is "one trillion, forty-five billion, five hundred twenty-three million, seven thousand, four hundred three".