10311123000 has 128 divisors (see below), whose sum is σ = 33040537920. Its totient is φ = 2675289600.

The previous prime is 10311122993. The next prime is 10311123007. The reversal of 10311123000 is 32111301.

It is an interprime number because it is at equal distance from previous prime (10311122993) and next prime (10311123007).

It is a super-2 number, since 2×10311123000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311123007) 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, 64554 + ... + 157446.

Almost surely, 2^10311123000 is an apocalyptic number.

10311123000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10311123000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16520268960).

10311123000 is an abundant number, since it is smaller than the sum of its proper divisors (22729414920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10311123000 is a wasteful number, since it uses less digits than its factorization.

10311123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92954 (or 92940 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10311123000 its reverse (32111301), we get a palindrome (10343234301).

The spelling of 10311123000 in words is "ten billion, three hundred eleven million, one hundred twenty-three thousand".