70433423 has 4 divisors (see below), whose sum is σ = 70466760. Its totient is φ = 70400088.

The previous prime is 70433417. The next prime is 70433453. The reversal of 70433423 is 32433407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32433407 = 997 ⋅32531.

It is a cyclic number.

It is not a de Polignac number, because 70433423 - 2⁶ = 70433359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70433392 and 70433401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70433413) 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, 13268 + ... + 17801.

It is an arithmetic number, because the mean of its divisors is an integer number (17616690).

Almost surely, 2^70433423 is an apocalyptic number.

70433423 is a deficient number, since it is larger than the sum of its proper divisors (33337).

70433423 is a wasteful number, since it uses less digits than its factorization.

70433423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33336.

The product of its (nonzero) digits is 6048, while the sum is 26.

The square root of 70433423 is about 8392.4622727779. The cubic root of 70433423 is about 412.9773803487.

The spelling of 70433423 in words is "seventy million, four hundred thirty-three thousand, four hundred twenty-three".