123023301100 has 144 divisors (see below), whose sum is σ = 311552434368. Its totient is φ = 41295605760.

The previous prime is 123023301097. The next prime is 123023301103. The reversal of 123023301100 is 1103320321.

It is an interprime number because it is at equal distance from previous prime (123023301097) and next prime (123023301103).

It is a super-2 number, since 2×123023301100² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123023301103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6991914 + ... + 7009486.

It is an arithmetic number, because the mean of its divisors is an integer number (2163558572).

Almost surely, 2^123023301100 is an apocalyptic number.

123023301100 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 123023301100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155776217184).

123023301100 is an abundant number, since it is smaller than the sum of its proper divisors (188529133268).

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

123023301100 is a wasteful number, since it uses less digits than its factorization.

123023301100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17804 (or 17797 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 123023301100 its reverse (1103320321), we get a palindrome (124126621421).

The spelling of 123023301100 in words is "one hundred twenty-three billion, twenty-three million, three hundred one thousand, one hundred".