10645440623323 has 8 divisors (see below), whose sum is σ = 11613235510080. Its totient is φ = 9677650329480.

The previous prime is 10645440623297. The next prime is 10645440623347. The reversal of 10645440623323 is 32332604454601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10645440623323 - 2²¹ = 10645438526171 is a prime.

It is a super-2 number, since 2×10645440623323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10645440623323.

It is not an unprimeable number, because it can be changed into a prime (10645440623393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5246548 + ... + 6986926.

It is an arithmetic number, because the mean of its divisors is an integer number (1451654438760).

Almost surely, 2^{10645440623323} is an apocalyptic number.

10645440623323 is a deficient number, since it is larger than the sum of its proper divisors (967794886757).

10645440623323 is a wasteful number, since it uses less digits than its factorization.

10645440623323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296457.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 10645440623323 in words is "ten trillion, six hundred forty-five billion, four hundred forty million, six hundred twenty-three thousand, three hundred twenty-three".