102605023 has 2 divisors, whose sum is σ = 102605024. Its totient is φ = 102605022.

The previous prime is 102605021. The next prime is 102605029. The reversal of 102605023 is 320506201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102605023 - 2¹ = 102605021 is a prime.

Together with 102605021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102605021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51302511 + 51302512.

It is an arithmetic number, because the mean of its divisors is an integer number (51302512).

Almost surely, 2^102605023 is an apocalyptic number.

102605023 is a deficient number, since it is larger than the sum of its proper divisors (1).

102605023 is an equidigital number, since it uses as much as digits as its factorization.

102605023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 102605023 is about 10129.4137540136. The cubic root of 102605023 is about 468.1548648002.

The spelling of 102605023 in words is "one hundred two million, six hundred five thousand, twenty-three".