101423100 has 72 divisors (see below), whose sum is σ = 306230400. Its totient is φ = 25868480.

The previous prime is 101423087. The next prime is 101423117. The reversal of 101423100 is 1324101.

It is a happy number.

It is a super-2 number, since 2×101423100² = 20573290427220000, which 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 an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450 + ... + 14249.

It is an arithmetic number, because the mean of its divisors is an integer number (4253200).

Almost surely, 2^101423100 is an apocalyptic number.

101423100 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 101423100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153115200).

101423100 is an abundant number, since it is smaller than the sum of its proper divisors (204807300).

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

101423100 is a wasteful number, since it uses less digits than its factorization.

101423100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14739 (or 14732 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 101423100 is about 10070.9036337362. The cubic root of 101423100 is about 466.3503355092.

Adding to 101423100 its reverse (1324101), we get a palindrome (102747201).

The spelling of 101423100 in words is "one hundred one million, four hundred twenty-three thousand, one hundred".