70557957123 has 8 divisors (see below), whose sum is σ = 97112027136. Its totient is φ = 45521262600.

The previous prime is 70557957121. The next prime is 70557957133. The reversal of 70557957123 is 32175975507.

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

It is not a de Polignac number, because 70557957123 - 2¹ = 70557957121 is a prime.

It is a super-2 number, since 2×70557957123² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70557957121) 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, 379343763 + ... + 379343948.

It is an arithmetic number, because the mean of its divisors is an integer number (12139003392).

Almost surely, 2^70557957123 is an apocalyptic number.

70557957123 is a deficient number, since it is larger than the sum of its proper divisors (26554070013).

70557957123 is a wasteful number, since it uses less digits than its factorization.

70557957123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758687745.

The product of its (nonzero) digits is 2315250, while the sum is 51.

The spelling of 70557957123 in words is "seventy billion, five hundred fifty-seven million, nine hundred fifty-seven thousand, one hundred twenty-three".