102023205 has 32 divisors (see below), whose sum is σ = 173487744. Its totient is φ = 51019776.

The previous prime is 102023203. The next prime is 102023209. The reversal of 102023205 is 502320201.

It is not a de Polignac number, because 102023205 - 2¹ = 102023203 is a prime.

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 (102023203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87909 + ... + 89061.

It is an arithmetic number, because the mean of its divisors is an integer number (5421492).

Almost surely, 2^102023205 is an apocalyptic number.

102023205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102023205 is a deficient number, since it is larger than the sum of its proper divisors (71464539).

102023205 is a wasteful number, since it uses less digits than its factorization.

102023205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 102023205 is about 10100.6536917172. The cubic root of 102023205 is about 467.2683019751.

Adding to 102023205 its reverse (502320201), we get a palindrome (604343406).

The spelling of 102023205 in words is "one hundred two million, twenty-three thousand, two hundred five".