71623103 has 4 divisors (see below), whose sum is σ = 75392760. Its totient is φ = 67853448.

The previous prime is 71623061. The next prime is 71623117. The reversal of 71623103 is 30132617.

It is a happy number.

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 71623103 - 2⁸ = 71622847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71623163) 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, 1884800 + ... + 1884837.

It is an arithmetic number, because the mean of its divisors is an integer number (18848190).

Almost surely, 2^71623103 is an apocalyptic number.

71623103 is a deficient number, since it is larger than the sum of its proper divisors (3769657).

71623103 is a wasteful number, since it uses less digits than its factorization.

71623103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769656.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 71623103 is about 8463.0433651258. The cubic root of 71623103 is about 415.2895893309.

The spelling of 71623103 in words is "seventy-one million, six hundred twenty-three thousand, one hundred three".