30313023 has 24 divisors (see below), whose sum is σ = 46353168. Its totient is φ = 17551872.

The previous prime is 30313013. The next prime is 30313039. The reversal of 30313023 is 32031303.

It is not a de Polignac number, because 30313023 - 2¹³ = 30304831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30312993 and 30313011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313013) 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, 6861 + ... + 10377.

It is an arithmetic number, because the mean of its divisors is an integer number (1931382).

Almost surely, 2^30313023 is an apocalyptic number.

30313023 is a deficient number, since it is larger than the sum of its proper divisors (16040145).

30313023 is a wasteful number, since it uses less digits than its factorization.

30313023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563 (or 3550 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 30313023 is about 5505.7263825948. The cubic root of 30313023 is about 311.8002193254.

Adding to 30313023 its reverse (32031303), we get a palindrome (62344326).

The spelling of 30313023 in words is "thirty million, three hundred thirteen thousand, twenty-three".