70830423 has 16 divisors (see below), whose sum is σ = 110457600. Its totient is φ = 44734680.

The previous prime is 70830401. The next prime is 70830427. The reversal of 70830423 is 32403807.

It is not a de Polignac number, because 70830423 - 2¹³ = 70822231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70830427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68523 + ... + 69548.

It is an arithmetic number, because the mean of its divisors is an integer number (6903600).

Almost surely, 2^70830423 is an apocalyptic number.

70830423 is a deficient number, since it is larger than the sum of its proper divisors (39627177).

70830423 is a wasteful number, since it uses less digits than its factorization.

70830423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138099 (or 138093 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 70830423 is about 8416.0812139618. The cubic root of 70830423 is about 413.7518466647.

It can be divided in two parts, 70830 and 423, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 70830423 in words is "seventy million, eight hundred thirty thousand, four hundred twenty-three".