10101123 has 12 divisors (see below), whose sum is σ = 14620320. Its totient is φ = 6720336.

The previous prime is 10101109. The next prime is 10101137. The reversal of 10101123 is 32110101.

It is an interprime number because it is at equal distance from previous prime (10101109) and next prime (10101137).

It is not a de Polignac number, because 10101123 - 2¹⁰ = 10100099 is a prime.

It is a super-2 number, since 2×10101123² = 204065371722258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10101023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5590 + ... + 7172.

It is an arithmetic number, because the mean of its divisors is an integer number (1218360).

Almost surely, 2^10101123 is an apocalyptic number.

10101123 is a deficient number, since it is larger than the sum of its proper divisors (4519197).

10101123 is a wasteful number, since it uses less digits than its factorization.

10101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298 (or 2295 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 10101123 is about 3178.2263921879. The cubic root of 10101123 is about 216.1672444438.

Adding to 10101123 its reverse (32110101), we get a palindrome (42211224).

The spelling of 10101123 in words is "ten million, one hundred one thousand, one hundred twenty-three".