10023556645345 has 16 divisors (see below), whose sum is σ = 12173441700672. Its totient is φ = 7922066877760.

The previous prime is 10023556645327. The next prime is 10023556645451. The reversal of 10023556645345 is 54354665532001.

It is not a de Polignac number, because 10023556645345 - 2¹⁵ = 10023556612577 is a prime.

It is a super-2 number, since 2×10023556645345² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21939459 + ... + 22391671.

It is an arithmetic number, because the mean of its divisors is an integer number (760840106292).

Almost surely, 2^{10023556645345} is an apocalyptic number.

It is an amenable number.

10023556645345 is a deficient number, since it is larger than the sum of its proper divisors (2149885055327).

10023556645345 is an equidigital number, since it uses as much as digits as its factorization.

10023556645345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505712.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 10023556645345 in words is "ten trillion, twenty-three billion, five hundred fifty-six million, six hundred forty-five thousand, three hundred forty-five".