70023 has 8 divisors (see below), whose sum is σ = 98928. Its totient is φ = 43904.

The previous prime is 70019. The next prime is 70039. The reversal of 70023 is 32007.

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 70023 - 2² = 70019 is a prime.

It is a super-3 number, since 3×70023³ = 1030014633306501, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69990 and 70008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636 + ... + 737.

It is an arithmetic number, because the mean of its divisors is an integer number (12366).

2⁷⁰⁰²³ is an apocalyptic number.

70023 is a deficient number, since it is larger than the sum of its proper divisors (28905).

70023 is a wasteful number, since it uses less digits than its factorization.

70023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393.

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 70023 is about 264.6185934510. The cubic root of 70023 is about 41.2173662925.

The spelling of 70023 in words is "seventy thousand, twenty-three", and thus it is an iban number.