102323045340 has 48 divisors (see below), whose sum is σ = 318338364960. Its totient is φ = 27286145280.

The previous prime is 102323045329. The next prime is 102323045389. The reversal of 102323045340 is 43540323201.

102323045340 is a `hidden beast` number, since 10 + 2 + 3 + 2 + 304 + 5 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94743021 + ... + 94744100.

It is an arithmetic number, because the mean of its divisors is an integer number (6632049270).

Almost surely, 2^102323045340 is an apocalyptic number.

102323045340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102323045340 is an abundant number, since it is smaller than the sum of its proper divisors (216015319620).

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

102323045340 is a wasteful number, since it uses less digits than its factorization.

102323045340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189487139 (or 189487131 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 102323045340 its reverse (43540323201), we get a palindrome (145863368541).

The spelling of 102323045340 in words is "one hundred two billion, three hundred twenty-three million, forty-five thousand, three hundred forty".