10121010023 has 4 divisors (see below), whose sum is σ = 10367863968. Its totient is φ = 9874156080.

The previous prime is 10121010013. The next prime is 10121010049. The reversal of 10121010023 is 32001012101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10121010023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121009986 and 10121010013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121010013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123426911 + ... + 123426992.

It is an arithmetic number, because the mean of its divisors is an integer number (2591965992).

Almost surely, 2^10121010023 is an apocalyptic number.

10121010023 is a deficient number, since it is larger than the sum of its proper divisors (246853945).

10121010023 is an equidigital number, since it uses as much as digits as its factorization.

10121010023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246853944.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10121010023 its reverse (32001012101), we get a palindrome (42122022124).

The spelling of 10121010023 in words is "ten billion, one hundred twenty-one million, ten thousand, twenty-three".