30144023 has 24 divisors (see below), whose sum is σ = 37876608. Its totient is φ = 23486112.

The previous prime is 30144019. The next prime is 30144029. The reversal of 30144023 is 32044103.

It is not a de Polignac number, because 30144023 - 2² = 30144019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30143992 and 30144010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98036 + ... + 98342.

It is an arithmetic number, because the mean of its divisors is an integer number (1578192).

Almost surely, 2^30144023 is an apocalyptic number.

30144023 is a deficient number, since it is larger than the sum of its proper divisors (7732585).

30144023 is a wasteful number, since it uses less digits than its factorization.

30144023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30144023 is about 5490.3572743493. The cubic root of 30144023 is about 311.2196936132.

Adding to 30144023 its reverse (32044103), we get a palindrome (62188126).

The spelling of 30144023 in words is "thirty million, one hundred forty-four thousand, twenty-three".