103242723 has 4 divisors (see below), whose sum is σ = 137656968. Its totient is φ = 68828480.

The previous prime is 103242721. The next prime is 103242731. The reversal of 103242723 is 327242301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103242723 - 2¹ = 103242721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103242693 and 103242702.

It is not an unprimeable number, because it can be changed into a prime (103242721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17207118 + ... + 17207123.

It is an arithmetic number, because the mean of its divisors is an integer number (34414242).

Almost surely, 2^103242723 is an apocalyptic number.

103242723 is a deficient number, since it is larger than the sum of its proper divisors (34414245).

103242723 is an equidigital number, since it uses as much as digits as its factorization.

103242723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34414244.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 103242723 is about 10160.8426323804. The cubic root of 103242723 is about 469.1227381251.

The spelling of 103242723 in words is "one hundred three million, two hundred forty-two thousand, seven hundred twenty-three".