1006405452323 has 32 divisors (see below), whose sum is σ = 1121734732800. Its totient is φ = 898875242496.

The previous prime is 1006405452313. The next prime is 1006405452343. The reversal of 1006405452323 is 3232545046001.

It is a cyclic number.

It is not a de Polignac number, because 1006405452323 - 2¹⁸ = 1006405190179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006405452313) 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, 150139190 + ... + 150145892.

It is an arithmetic number, because the mean of its divisors is an integer number (35054210400).

Almost surely, 2^{1006405452323} is an apocalyptic number.

1006405452323 is a deficient number, since it is larger than the sum of its proper divisors (115329280477).

1006405452323 is a wasteful number, since it uses less digits than its factorization.

1006405452323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13131.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 1006405452323 in words is "one trillion, six billion, four hundred five million, four hundred fifty-two thousand, three hundred twenty-three".