10030021000123 has 4 divisors (see below), whose sum is σ = 10030304361448. Its totient is φ = 10029737638800.

The previous prime is 10030021000121. The next prime is 10030021000127. The reversal of 10030021000123 is 32100012003001.

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

It is a cyclic number.

It is not a de Polignac number, because 10030021000123 - 2¹ = 10030021000121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10030021000121) 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, 141627561 + ... + 141698362.

It is an arithmetic number, because the mean of its divisors is an integer number (2507576090362).

Almost surely, 2^{10030021000123} is an apocalyptic number.

10030021000123 is a deficient number, since it is larger than the sum of its proper divisors (283361325).

10030021000123 is an equidigital number, since it uses as much as digits as its factorization.

10030021000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283361324.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10030021000123 its reverse (32100012003001), we get a palindrome (42130033003124).

The spelling of 10030021000123 in words is "ten trillion, thirty billion, twenty-one million, one hundred twenty-three", and thus it is an aban number.