670123441 has 8 divisors (see below), whose sum is σ = 723096360. Its totient is φ = 617354112.

The previous prime is 670123409. The next prime is 670123457. The reversal of 670123441 is 144321076.

It can be written as a sum of positive squares in 4 ways, for example, as 259210000 + 410913441 = 16100^2 + 20271^2 .

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 670123441 - 2⁵ = 670123409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670123241) 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, 44020 + ... + 57253.

It is an arithmetic number, because the mean of its divisors is an integer number (90387045).

Almost surely, 2^670123441 is an apocalyptic number.

It is an amenable number.

670123441 is a deficient number, since it is larger than the sum of its proper divisors (52972919).

670123441 is a wasteful number, since it uses less digits than its factorization.

670123441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101795.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 670123441 is about 25886.7425722125. The cubic root of 670123441 is about 875.0877478259.

The spelling of 670123441 in words is "six hundred seventy million, one hundred twenty-three thousand, four hundred forty-one".