70023423 has 8 divisors (see below), whose sum is σ = 93409200. Its totient is φ = 46659968.

The previous prime is 70023409. The next prime is 70023433. The reversal of 70023423 is 32432007.

It is a happy number.

It is a Cunningham number, because it is equal to 8368²-1.

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 70023423 - 2⁴ = 70023407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70023423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70023403) 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, 4183 + ... + 12551.

It is an arithmetic number, because the mean of its divisors is an integer number (11676150).

Almost surely, 2^70023423 is an apocalyptic number.

70023423 is a deficient number, since it is larger than the sum of its proper divisors (23385777).

70023423 is a wasteful number, since it uses less digits than its factorization.

70023423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11161.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 70023423 is about 8367.9999402486. Note that the first 4 decimals coincide. The cubic root of 70023423 is about 412.1744928858.

The spelling of 70023423 in words is "seventy million, twenty-three thousand, four hundred twenty-three".