10123233021 has 24 divisors (see below), whose sum is σ = 15956175456. Its totient is φ = 6133595040.

The previous prime is 10123233017. The next prime is 10123233059. The reversal of 10123233021 is 12033232101.

10123233021 is a `hidden beast` number, since 101 + 232 + 330 + 2 + 1 = 666.

It is not a de Polignac number, because 10123233021 - 2² = 10123233017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10123232985 and 10123233003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123233121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409026 + ... + 433068.

It is an arithmetic number, because the mean of its divisors is an integer number (664840644).

Almost surely, 2^10123233021 is an apocalyptic number.

10123233021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10123233021 is a deficient number, since it is larger than the sum of its proper divisors (5832942435).

10123233021 is a wasteful number, since it uses less digits than its factorization.

10123233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28313 (or 28310 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10123233021 its reverse (12033232101), we get a palindrome (22156465122).

The spelling of 10123233021 in words is "ten billion, one hundred twenty-three million, two hundred thirty-three thousand, twenty-one".