670142123 has 8 divisors (see below), whose sum is σ = 780327648. Its totient is φ = 563569344.

The previous prime is 670142101. The next prime is 670142131. The reversal of 670142123 is 321241076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670142123 - 2¹⁰ = 670141099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670142092 and 670142101.

It is not an unprimeable number, because it can be changed into a prime (670142153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902786 + ... + 903527.

It is an arithmetic number, because the mean of its divisors is an integer number (97540956).

Almost surely, 2^670142123 is an apocalyptic number.

670142123 is a deficient number, since it is larger than the sum of its proper divisors (110185525).

670142123 is a wasteful number, since it uses less digits than its factorization.

670142123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806373.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 670142123 is about 25887.1034107719. The cubic root of 670142123 is about 875.0958797791.

Adding to 670142123 its reverse (321241076), we get a palindrome (991383199).

The spelling of 670142123 in words is "six hundred seventy million, one hundred forty-two thousand, one hundred twenty-three".