102323040 has 48 divisors (see below), whose sum is σ = 322319088. Its totient is φ = 27286016.

The previous prime is 102322993. The next prime is 102323041. The reversal of 102323040 is 40323201.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102323041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106107 + ... + 107066.

It is an arithmetic number, because the mean of its divisors is an integer number (6714981).

Almost surely, 2^102323040 is an apocalyptic number.

102323040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102323040 is an abundant number, since it is smaller than the sum of its proper divisors (219996048).

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

102323040 is a wasteful number, since it uses less digits than its factorization.

102323040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213191 (or 213183 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 102323040 is about 10115.4851589036. The cubic root of 102323040 is about 467.7256043620.

Adding to 102323040 its reverse (40323201), we get a palindrome (142646241).

The spelling of 102323040 in words is "one hundred two million, three hundred twenty-three thousand, forty".