70055123 has 4 divisors (see below), whose sum is σ = 70078560. Its totient is φ = 70031688.

The previous prime is 70055099. The next prime is 70055143. The reversal of 70055123 is 32155007.

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

It is a cyclic number.

It is not a de Polignac number, because 70055123 - 2⁶ = 70055059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70055143) 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, 6443 + ... + 13476.

It is an arithmetic number, because the mean of its divisors is an integer number (17519640).

Almost surely, 2^70055123 is an apocalyptic number.

70055123 is a deficient number, since it is larger than the sum of its proper divisors (23437).

70055123 is a wasteful number, since it uses less digits than its factorization.

70055123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23436.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 70055123 is about 8369.8938463997. The cubic root of 70055123 is about 412.2366814112.

The spelling of 70055123 in words is "seventy million, fifty-five thousand, one hundred twenty-three".