102023501 has 2 divisors, whose sum is σ = 102023502. Its totient is φ = 102023500.

The previous prime is 102023447. The next prime is 102023503. The reversal of 102023501 is 105320201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96138025 + 5885476 = 9805^2 + 2426^2 .

It is a cyclic number.

It is not a de Polignac number, because 102023501 - 2⁶ = 102023437 is a prime.

It is a Sophie Germain prime.

Together with 102023503, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102023503) 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 as a sum of consecutive naturals, namely, 51011750 + 51011751.

It is an arithmetic number, because the mean of its divisors is an integer number (51011751).

Almost surely, 2^102023501 is an apocalyptic number.

It is an amenable number.

102023501 is a deficient number, since it is larger than the sum of its proper divisors (1).

102023501 is an equidigital number, since it uses as much as digits as its factorization.

102023501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 102023501 is about 10100.6683442236. The cubic root of 102023501 is about 467.2687538700.

Adding to 102023501 its reverse (105320201), we get a palindrome (207343702).

The spelling of 102023501 in words is "one hundred two million, twenty-three thousand, five hundred one".