30311230120123 has 8 divisors (see below), whose sum is σ = 31131887105088. Its totient is φ = 29490648637824.

The previous prime is 30311230120117. The next prime is 30311230120153. The reversal of 30311230120123 is 32102103211303.

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

It is a cyclic number.

It is not a de Polignac number, because 30311230120123 - 2⁵ = 30311230120091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30311230120094 and 30311230120103.

It is not an unprimeable number, because it can be changed into a prime (30311230120153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18061411 + ... + 19668172.

It is an arithmetic number, because the mean of its divisors is an integer number (3891485888136).

Almost surely, 2^{30311230120123} is an apocalyptic number.

30311230120123 is a deficient number, since it is larger than the sum of its proper divisors (820656984965).

30311230120123 is a wasteful number, since it uses less digits than its factorization.

30311230120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37751333.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30311230120123 its reverse (32102103211303), we get a palindrome (62413333331426).

The spelling of 30311230120123 in words is "thirty trillion, three hundred eleven billion, two hundred thirty million, one hundred twenty thousand, one hundred twenty-three".