10020123123 has 32 divisors (see below), whose sum is σ = 14132966400. Its totient is φ = 6304440576.

The previous prime is 10020123107. The next prime is 10020123137. The reversal of 10020123123 is 32132102001.

It is not a de Polignac number, because 10020123123 - 2⁴ = 10020123107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10020123193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6226743 + ... + 6228351.

It is an arithmetic number, because the mean of its divisors is an integer number (441655200).

Almost surely, 2^10020123123 is an apocalyptic number.

10020123123 is a deficient number, since it is larger than the sum of its proper divisors (4112843277).

10020123123 is a wasteful number, since it uses less digits than its factorization.

10020123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10020123123 its reverse (32132102001), we get a palindrome (42152225124).

The spelling of 10020123123 in words is "ten billion, twenty million, one hundred twenty-three thousand, one hundred twenty-three".