30153023 has 4 divisors (see below), whose sum is σ = 31464048. Its totient is φ = 28842000.

The previous prime is 30152989. The next prime is 30153037. The reversal of 30153023 is 32035103.

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

It is not a de Polignac number, because 30153023 - 2⁶ = 30152959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30152992 and 30153010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30153043) 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, 655478 + ... + 655523.

It is an arithmetic number, because the mean of its divisors is an integer number (7866012).

Almost surely, 2^30153023 is an apocalyptic number.

30153023 is a deficient number, since it is larger than the sum of its proper divisors (1311025).

30153023 is a wasteful number, since it uses less digits than its factorization.

30153023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311024.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 30153023 is about 5491.1768319733. The cubic root of 30153023 is about 311.2506638051.

Adding to 30153023 its reverse (32035103), we get a palindrome (62188126).

The spelling of 30153023 in words is "thirty million, one hundred fifty-three thousand, twenty-three".