102423132 has 108 divisors (see below), whose sum is σ = 311054016. Its totient is φ = 28304640.

The previous prime is 102423127. The next prime is 102423137. The reversal of 102423132 is 231324201.

It is an interprime number because it is at equal distance from previous prime (102423127) and next prime (102423137).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102423137) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 53748 + ... + 55620.

Almost surely, 2^102423132 is an apocalyptic number.

102423132 is a gapful number since it is divisible by the number (12) 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 102423132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155527008).

102423132 is an abundant number, since it is smaller than the sum of its proper divisors (208630884).

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

102423132 is a wasteful number, since it uses less digits than its factorization.

102423132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1916 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 102423132 is about 10120.4314137294. The cubic root of 102423132 is about 467.8780637838.

Adding to 102423132 its reverse (231324201), we get a palindrome (333747333).

The spelling of 102423132 in words is "one hundred two million, four hundred twenty-three thousand, one hundred thirty-two".