30231241123 has 4 divisors (see below), whose sum is σ = 30462014088. Its totient is φ = 30000468160.

The previous prime is 30231241099. The next prime is 30231241133. The reversal of 30231241123 is 32114213203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30231241123 is a prime.

It is a super-2 number, since 2×30231241123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30231241094 and 30231241103.

It is not an unprimeable number, because it can be changed into a prime (30231241133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115386286 + ... + 115386547.

It is an arithmetic number, because the mean of its divisors is an integer number (7615503522).

Almost surely, 2^30231241123 is an apocalyptic number.

30231241123 is a deficient number, since it is larger than the sum of its proper divisors (230772965).

30231241123 is a wasteful number, since it uses less digits than its factorization.

30231241123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230772964.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30231241123 its reverse (32114213203), we get a palindrome (62345454326).

The spelling of 30231241123 in words is "thirty billion, two hundred thirty-one million, two hundred forty-one thousand, one hundred twenty-three".