102523142 has 8 divisors (see below), whose sum is σ = 154141176. Its totient is φ = 51142752.

The previous prime is 102523139. The next prime is 102523159. The reversal of 102523142 is 241325201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58328 + ... + 60059.

It is an arithmetic number, because the mean of its divisors is an integer number (19267647).

Almost surely, 2^102523142 is an apocalyptic number.

102523142 is a deficient number, since it is larger than the sum of its proper divisors (51618034).

102523142 is a wasteful number, since it uses less digits than its factorization.

102523142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118822.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 102523142 is about 10125.3712030720. The cubic root of 102523142 is about 468.0302991317.

Adding to 102523142 its reverse (241325201), we get a palindrome (343848343).

The spelling of 102523142 in words is "one hundred two million, five hundred twenty-three thousand, one hundred forty-two".