103239423 has 18 divisors (see below), whose sum is σ = 173471064. Its totient is φ = 58993704.

The previous prime is 103239421. The next prime is 103239469. The reversal of 103239423 is 324932301.

It is a happy number.

103239423 is a `hidden beast` number, since 1 + 0 + 3 + 239 + 423 = 666.

It is not a de Polignac number, because 103239423 - 2¹ = 103239421 is a prime.

It is a super-3 number, since 3×103239423³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103239421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 116611 + ... + 117492.

Almost surely, 2^103239423 is an apocalyptic number.

103239423 is a deficient number, since it is larger than the sum of its proper divisors (70231641).

103239423 is a wasteful number, since it uses less digits than its factorization.

103239423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234123 (or 234113 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 103239423 is about 10160.6802429759. The cubic root of 103239423 is about 469.1177398018.

The spelling of 103239423 in words is "one hundred three million, two hundred thirty-nine thousand, four hundred twenty-three".