70434423 has 6 divisors (see below), whose sum is σ = 101738624. Its totient is φ = 46956276.

The previous prime is 70434401. The next prime is 70434431. The reversal of 70434423 is 32443407.

It is not a de Polignac number, because 70434423 - 2⁹ = 70433911 is a prime.

It is a super-2 number, since 2×70434423² = 9922015886685858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70434493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3913015 + ... + 3913032.

Almost surely, 2^70434423 is an apocalyptic number.

70434423 is a deficient number, since it is larger than the sum of its proper divisors (31304201).

70434423 is a wasteful number, since it uses less digits than its factorization.

70434423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826053 (or 7826050 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 70434423 is about 8392.5218498375. The cubic root of 70434423 is about 412.9793347969.

The spelling of 70434423 in words is "seventy million, four hundred thirty-four thousand, four hundred twenty-three".