102423312 has 40 divisors (see below), whose sum is σ = 293994080. Its totient is φ = 34140960.

The previous prime is 102423257. The next prime is 102423323. The reversal of 102423312 is 213324201.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118114 + ... + 118977.

It is an arithmetic number, because the mean of its divisors is an integer number (7349852).

Almost surely, 2^102423312 is an apocalyptic number.

102423312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102423312 is an abundant number, since it is smaller than the sum of its proper divisors (191570768).

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

102423312 is a wasteful number, since it uses less digits than its factorization.

102423312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237108 (or 237096 counting only the distinct ones).

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

The square root of 102423312 is about 10120.4403066270. The cubic root of 102423312 is about 467.8783378690.

Adding to 102423312 its reverse (213324201), we get a palindrome (315747513).

It can be divided in two parts, 1024 and 23312, that added together give a square (24336 = 156²).

The spelling of 102423312 in words is "one hundred two million, four hundred twenty-three thousand, three hundred twelve".