70123123 has 8 divisors (see below), whose sum is σ = 80253440. Its totient is φ = 60021000.

The previous prime is 70123117. The next prime is 70123213. The reversal of 70123123 is 32132107.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70123123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70123123.

It is not an unprimeable number, because it can be changed into a prime (70123223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413 + ... + 11926.

It is an arithmetic number, because the mean of its divisors is an integer number (10031680).

Almost surely, 2^70123123 is an apocalyptic number.

70123123 is a deficient number, since it is larger than the sum of its proper divisors (10130317).

70123123 is a wasteful number, since it uses less digits than its factorization.

70123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14097.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 70123123 is about 8373.9550392870. The cubic root of 70123123 is about 412.3700194080.

The spelling of 70123123 in words is "seventy million, one hundred twenty-three thousand, one hundred twenty-three".