102723312 has 20 divisors (see below), whose sum is σ = 265368680. Its totient is φ = 34241088.

The previous prime is 102723311. The next prime is 102723323. The reversal of 102723312 is 213327201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102723311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069987 + ... + 1070082.

It is an arithmetic number, because the mean of its divisors is an integer number (13268434).

Almost surely, 2^102723312 is an apocalyptic number.

102723312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102723312 is an abundant number, since it is smaller than the sum of its proper divisors (162645368).

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

102723312 is a wasteful number, since it uses less digits than its factorization.

102723312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140080 (or 2140074 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 102723312 is about 10135.2509589058. The cubic root of 102723312 is about 468.3347010369.

The spelling of 102723312 in words is "one hundred two million, seven hundred twenty-three thousand, three hundred twelve".