10121231123123 has 8 divisors (see below), whose sum is σ = 10128596640192. Its totient is φ = 10113867160936.

The previous prime is 10121231123089. The next prime is 10121231123137. The reversal of 10121231123123 is 32132113212101.

It is a happy number.

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 10121231123123 - 2³² = 10116936155827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121231120123) 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, 12797036 + ... + 13564902.

It is an arithmetic number, because the mean of its divisors is an integer number (1266074580024).

Almost surely, 2^{10121231123123} is an apocalyptic number.

10121231123123 is a deficient number, since it is larger than the sum of its proper divisors (7365517069).

10121231123123 is an equidigital number, since it uses as much as digits as its factorization.

10121231123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777441.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 10121231123123 its reverse (32132113212101), we get a palindrome (42253344335224).

The spelling of 10121231123123 in words is "ten trillion, one hundred twenty-one billion, two hundred thirty-one million, one hundred twenty-three thousand, one hundred twenty-three".