10123455445 has 4 divisors (see below), whose sum is σ = 12148146540. Its totient is φ = 8098764352.

The previous prime is 10123455439. The next prime is 10123455473. The reversal of 10123455445 is 54455432101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2403548676 + 7719906769 = 49026^2 + 87863^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123455445 - 2²¹ = 10121358293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10123455445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012345540 + ... + 1012345549.

It is an arithmetic number, because the mean of its divisors is an integer number (3037036635).

Almost surely, 2^10123455445 is an apocalyptic number.

It is an amenable number.

10123455445 is a deficient number, since it is larger than the sum of its proper divisors (2024691095).

10123455445 is an equidigital number, since it uses as much as digits as its factorization.

10123455445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024691094.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 10123455445 its reverse (54455432101), we get a palindrome (64578887546).

The spelling of 10123455445 in words is "ten billion, one hundred twenty-three million, four hundred fifty-five thousand, four hundred forty-five".