30010021423 has 8 divisors (see below), whose sum is σ = 30274421760. Its totient is φ = 29746156440.

The previous prime is 30010021411. The next prime is 30010021439. The reversal of 30010021423 is 32412001003.

It is a happy number.

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-30010021423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30010021397 and 30010021406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30010021403) 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, 20815 + ... + 245872.

It is an arithmetic number, because the mean of its divisors is an integer number (3784302720).

Almost surely, 2^30010021423 is an apocalyptic number.

30010021423 is a deficient number, since it is larger than the sum of its proper divisors (264400337).

30010021423 is a wasteful number, since it uses less digits than its factorization.

30010021423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267677.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30010021423 its reverse (32412001003), we get a palindrome (62422022426).

The spelling of 30010021423 in words is "thirty billion, ten million, twenty-one thousand, four hundred twenty-three".