702143423 has 4 divisors (see below), whose sum is σ = 739098360. Its totient is φ = 665188488.

The previous prime is 702143383. The next prime is 702143443. The reversal of 702143423 is 324341207.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-702143423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 702143392 and 702143401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (702143443) 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, 18477440 + ... + 18477477.

It is an arithmetic number, because the mean of its divisors is an integer number (184774590).

Almost surely, 2^702143423 is an apocalyptic number.

702143423 is a deficient number, since it is larger than the sum of its proper divisors (36954937).

702143423 is a wasteful number, since it uses less digits than its factorization.

702143423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36954936.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 702143423 is about 26497.9890369062. The cubic root of 702143423 is about 888.8093420523.

It can be divided in two parts, 70214 and 3423, that added together give a palindrome (73637).

The spelling of 702143423 in words is "seven hundred two million, one hundred forty-three thousand, four hundred twenty-three".