1045172435423 has 32 divisors (see below), whose sum is σ = 1113642141696. Its totient is φ = 978861714688.

The previous prime is 1045172435371. The next prime is 1045172435441. The reversal of 1045172435423 is 3245342715401.

It is a cyclic number.

It is not a de Polignac number, because 1045172435423 - 2¹⁰ = 1045172434399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045172435023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177054890 + ... + 177060792.

It is an arithmetic number, because the mean of its divisors is an integer number (34801316928).

Almost surely, 2^{1045172435423} is an apocalyptic number.

1045172435423 is a deficient number, since it is larger than the sum of its proper divisors (68469706273).

1045172435423 is a wasteful number, since it uses less digits than its factorization.

1045172435423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 1045172435423 in words is "one trillion, forty-five billion, one hundred seventy-two million, four hundred thirty-five thousand, four hundred twenty-three".