30672023 has 4 divisors (see below), whose sum is σ = 32286360. Its totient is φ = 29057688.

The previous prime is 30672017. The next prime is 30672043. The reversal of 30672023 is 32027603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32027603 = 71 ⋅451093.

It is not a de Polignac number, because 30672023 - 2⁴ = 30672007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30672023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30672043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807140 + ... + 807177.

It is an arithmetic number, because the mean of its divisors is an integer number (8071590).

Almost surely, 2^30672023 is an apocalyptic number.

30672023 is a deficient number, since it is larger than the sum of its proper divisors (1614337).

30672023 is a wasteful number, since it uses less digits than its factorization.

30672023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614336.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 30672023 is about 5538.2328408979. The cubic root of 30672023 is about 313.0262850195.

Adding to 30672023 its reverse (32027603), we get a palindrome (62699626).

The spelling of 30672023 in words is "thirty million, six hundred seventy-two thousand, twenty-three".