70234523 has 4 divisors (see below), whose sum is σ = 71867928. Its totient is φ = 68601120.

The previous prime is 70234511. The next prime is 70234537. The reversal of 70234523 is 32543207.

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 70234523 - 2⁸ = 70234267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70234492 and 70234501.

It is not an unprimeable number, because it can be changed into a prime (70234543) 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, 816638 + ... + 816723.

It is an arithmetic number, because the mean of its divisors is an integer number (17966982).

Almost surely, 2^70234523 is an apocalyptic number.

70234523 is a deficient number, since it is larger than the sum of its proper divisors (1633405).

70234523 is a wasteful number, since it uses less digits than its factorization.

70234523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633404.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 70234523 is about 8380.6039758480. The cubic root of 70234523 is about 412.5882722629.

The spelling of 70234523 in words is "seventy million, two hundred thirty-four thousand, five hundred twenty-three".