10123031100 has 288 divisors, whose sum is σ = 36168240640. Its totient is φ = 2128757760.

The previous prime is 10123031099. The next prime is 10123031153. The reversal of 10123031100 is 113032101.

It is a super-4 number, since 4×10123031100⁴ (a number of 41 digits) contains 4444 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 an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14277546 + ... + 14278254.

Almost surely, 2^10123031100 is an apocalyptic number.

10123031100 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 10123031100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18084120320).

10123031100 is an abundant number, since it is smaller than the sum of its proper divisors (26045209540).

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

10123031100 is a wasteful number, since it uses less digits than its factorization.

10123031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269 (or 1262 counting only the distinct ones).

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

Adding to 10123031100 its reverse (113032101), we get a palindrome (10236063201).

The spelling of 10123031100 in words is "ten billion, one hundred twenty-three million, thirty-one thousand, one hundred".