30123271432442 has 8 divisors (see below), whose sum is σ = 45185054268000. Its totient is φ = 15061586676444.

The previous prime is 30123271432433. The next prime is 30123271432453. The reversal of 30123271432442 is 24423417232103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30123271432442² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30123271432396 and 30123271432405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23747192 + ... + 24983507.

It is an arithmetic number, because the mean of its divisors is an integer number (5648131783500).

Almost surely, 2^{30123271432442} is an apocalyptic number.

30123271432442 is a deficient number, since it is larger than the sum of its proper divisors (15061782835558).

30123271432442 is a wasteful number, since it uses less digits than its factorization.

30123271432442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49039780.

The product of its (nonzero) digits is 193536, while the sum is 38.

Adding to 30123271432442 its reverse (24423417232103), we get a palindrome (54546688664545).

The spelling of 30123271432442 in words is "thirty trillion, one hundred twenty-three billion, two hundred seventy-one million, four hundred thirty-two thousand, four hundred forty-two".