102523047 has 16 divisors (see below), whose sum is σ = 149482368. Its totient is φ = 61986080.

The previous prime is 102523037. The next prime is 102523049. The reversal of 102523047 is 740325201.

It is a cyclic number.

It is not a de Polignac number, because 102523047 - 2¹⁰ = 102522023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102523049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11113 + ... + 18125.

It is an arithmetic number, because the mean of its divisors is an integer number (9342648).

Almost surely, 2^102523047 is an apocalyptic number.

102523047 is a deficient number, since it is larger than the sum of its proper divisors (46959321).

102523047 is a wasteful number, since it uses less digits than its factorization.

102523047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7470.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 102523047 is about 10125.3665118849. The cubic root of 102523047 is about 468.0301545695.

Adding to 102523047 its reverse (740325201), we get a palindrome (842848248).

The spelling of 102523047 in words is "one hundred two million, five hundred twenty-three thousand, forty-seven".