10121475823 has 2 divisors, whose sum is σ = 10121475824. Its totient is φ = 10121475822.

The previous prime is 10121475821. The next prime is 10121475853. The reversal of 10121475823 is 32857412101.

10121475823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10121475823 - 2¹ = 10121475821 is a prime.

It is a super-3 number, since 3×10121475823³ (a number of 31 digits) contains 333 as substring.

Together with 10121475821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121475821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060737911 + 5060737912.

It is an arithmetic number, because the mean of its divisors is an integer number (5060737912).

Almost surely, 2^10121475823 is an apocalyptic number.

10121475823 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121475823 is an equidigital number, since it uses as much as digits as its factorization.

10121475823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

Adding to 10121475823 its reverse (32857412101), we get a palindrome (42978887924).

The spelling of 10121475823 in words is "ten billion, one hundred twenty-one million, four hundred seventy-five thousand, eight hundred twenty-three".