30103121120323 has 4 divisors (see below), whose sum is σ = 30527108741808. Its totient is φ = 29679133498840.

The previous prime is 30103121120291. The next prime is 30103121120339. The reversal of 30103121120323 is 32302112130103.

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

It is a cyclic number.

It is not a de Polignac number, because 30103121120323 - 2⁵ = 30103121120291 is a prime.

It is a super-4 number, since 4×30103121120323⁴ (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30103121120294 and 30103121120303.

It is not an unprimeable number, because it can be changed into a prime (30103121120123) 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, 211993810636 + ... + 211993810777.

It is an arithmetic number, because the mean of its divisors is an integer number (7631777185452).

Almost surely, 2^{30103121120323} is an apocalyptic number.

30103121120323 is a deficient number, since it is larger than the sum of its proper divisors (423987621485).

30103121120323 is an equidigital number, since it uses as much as digits as its factorization.

30103121120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423987621484.

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

Adding to 30103121120323 its reverse (32302112130103), we get a palindrome (62405233250426).

The spelling of 30103121120323 in words is "thirty trillion, one hundred three billion, one hundred twenty-one million, one hundred twenty thousand, three hundred twenty-three".