30123013023 has 32 divisors (see below), whose sum is σ = 46181510400. Its totient is φ = 19382817888.

The previous prime is 30123013013. The next prime is 30123013049. The reversal of 30123013023 is 32031032103.

30123013023 is a `hidden beast` number, since 301 + 230 + 130 + 2 + 3 = 666.

It is not a de Polignac number, because 30123013023 - 2⁸ = 30123012767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30123012987 and 30123013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123013013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3317736 + ... + 3326802.

It is an arithmetic number, because the mean of its divisors is an integer number (1443172200).

Almost surely, 2^30123013023 is an apocalyptic number.

30123013023 is a deficient number, since it is larger than the sum of its proper divisors (16058497377).

30123013023 is a wasteful number, since it uses less digits than its factorization.

30123013023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13348 (or 13342 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30123013023 its reverse (32031032103), we get a palindrome (62154045126).

The spelling of 30123013023 in words is "thirty billion, one hundred twenty-three million, thirteen thousand, twenty-three".