823145103 has 48 divisors (see below), whose sum is σ = 1324657152. Its totient is φ = 488376000.

The previous prime is 823145101. The next prime is 823145107. The reversal of 823145103 is 301541328.

It is a happy number.

It is not a de Polignac number, because 823145103 - 2¹ = 823145101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823145101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1271926 + ... + 1272572.

It is an arithmetic number, because the mean of its divisors is an integer number (27597024).

Almost surely, 2^823145103 is an apocalyptic number.

823145103 is a deficient number, since it is larger than the sum of its proper divisors (501512049).

823145103 is a wasteful number, since it uses less digits than its factorization.

823145103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 823145103 is about 28690.5054504099. The cubic root of 823145103 is about 937.1852963976.

The spelling of 823145103 in words is "eight hundred twenty-three million, one hundred forty-five thousand, one hundred three".