1020000010123 has 8 divisors (see below), whose sum is σ = 1055528942976. Its totient is φ = 984635184000.

The previous prime is 1020000010103. The next prime is 1020000010229. The reversal of 1020000010123 is 3210100000201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020000010123 - 2²⁵ = 1019966455691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020000010103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41014036 + ... + 41038897.

It is an arithmetic number, because the mean of its divisors is an integer number (131941117872).

Almost surely, 2^{1020000010123} is an apocalyptic number.

1020000010123 is a deficient number, since it is larger than the sum of its proper divisors (35528932853).

1020000010123 is an equidigital number, since it uses as much as digits as its factorization.

1020000010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82053365.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1020000010123 its reverse (3210100000201), we get a palindrome (4230100010324).

The spelling of 1020000010123 in words is "one trillion, twenty billion, ten thousand, one hundred twenty-three".