102923447 has 12 divisors (see below), whose sum is σ = 113392608. Its totient is φ = 93350400.

The previous prime is 102923419. The next prime is 102923449. The reversal of 102923447 is 744329201.

It is not a de Polignac number, because 102923447 - 2²⁴ = 86146231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102923449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76898 + ... + 78224.

It is an arithmetic number, because the mean of its divisors is an integer number (9449384).

Almost surely, 2^102923447 is an apocalyptic number.

102923447 is a deficient number, since it is larger than the sum of its proper divisors (10469161).

102923447 is a wasteful number, since it uses less digits than its factorization.

102923447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 102923447 is about 10145.1193684451. The cubic root of 102923447 is about 468.6386546320.

The spelling of 102923447 in words is "one hundred two million, nine hundred twenty-three thousand, four hundred forty-seven".