101010231123 has 4 divisors (see below), whose sum is σ = 134680308168. Its totient is φ = 67340154080.

The previous prime is 101010231121. The next prime is 101010231191. The reversal of 101010231123 is 321132010101.

It is a happy number.

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 101010231123 - 2¹ = 101010231121 is a prime.

It is a super-2 number, since 2×101010231123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101010231121) 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, 16835038518 + ... + 16835038523.

It is an arithmetic number, because the mean of its divisors is an integer number (33670077042).

Almost surely, 2^101010231123 is an apocalyptic number.

101010231123 is a deficient number, since it is larger than the sum of its proper divisors (33670077045).

101010231123 is an equidigital number, since it uses as much as digits as its factorization.

101010231123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33670077044.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101010231123 its reverse (321132010101), we get a palindrome (422142241224).

The spelling of 101010231123 in words is "one hundred one billion, ten million, two hundred thirty-one thousand, one hundred twenty-three".