30123023132 has 6 divisors (see below), whose sum is σ = 52715290488. Its totient is φ = 15061511564.

The previous prime is 30123023123. The next prime is 30123023141. The reversal of 30123023132 is 23132032103.

It is an interprime number because it is at equal distance from previous prime (30123023123) and next prime (30123023141).

It is a super-2 number, since 2×30123023132² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765377888 + ... + 3765377895.

It is an arithmetic number, because the mean of its divisors is an integer number (8785881748).

Almost surely, 2^30123023132 is an apocalyptic number.

It is an amenable number.

30123023132 is a deficient number, since it is larger than the sum of its proper divisors (22592267356).

30123023132 is a wasteful number, since it uses less digits than its factorization.

30123023132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530755787 (or 7530755785 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30123023132 its reverse (23132032103), we get a palindrome (53255055235).

The spelling of 30123023132 in words is "thirty billion, one hundred twenty-three million, twenty-three thousand, one hundred thirty-two".