102623545 has 8 divisors (see below), whose sum is σ = 123249024. Its totient is φ = 82031664.

The previous prime is 102623537. The next prime is 102623567. The reversal of 102623545 is 545326201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102623545 - 2³ = 102623537 is a prime.

It is a Duffinian 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, 1099 + ... + 14368.

It is an arithmetic number, because the mean of its divisors is an integer number (15406128).

Almost surely, 2^102623545 is an apocalyptic number.

It is an amenable number.

102623545 is a deficient number, since it is larger than the sum of its proper divisors (20625479).

102623545 is a wasteful number, since it uses less digits than its factorization.

102623545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16799.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 102623545 is about 10130.3279808701. The cubic root of 102623545 is about 468.1830331505.

Adding to 102623545 its reverse (545326201), we get a palindrome (647949746).

The spelling of 102623545 in words is "one hundred two million, six hundred twenty-three thousand, five hundred forty-five".