102323090 has 16 divisors (see below), whose sum is σ = 192189888. Its totient is φ = 39149616.

The previous prime is 102323077. The next prime is 102323131. The reversal of 102323090 is 90323201.

It is a Curzon number.

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, 222212 + ... + 222671.

It is an arithmetic number, because the mean of its divisors is an integer number (12011868).

Almost surely, 2^102323090 is an apocalyptic number.

102323090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102323090 is a deficient number, since it is larger than the sum of its proper divisors (89866798).

102323090 is a wasteful number, since it uses less digits than its factorization.

102323090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444913.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 102323090 is about 10115.4876303617. The cubic root of 102323090 is about 467.7256805464.

Adding to 102323090 its reverse (90323201), we get a palindrome (192646291).

The spelling of 102323090 in words is "one hundred two million, three hundred twenty-three thousand, ninety".