30233232155123 has 4 divisors (see below), whose sum is σ = 30260298612960. Its totient is φ = 30206165697288.

The previous prime is 30233232155089. The next prime is 30233232155177. The reversal of 30233232155123 is 32155123233203.

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 30233232155123 - 2²⁸ = 30232963719667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30233232155723) 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, 13533227243 + ... + 13533229476.

It is an arithmetic number, because the mean of its divisors is an integer number (7565074653240).

Almost surely, 2^{30233232155123} is an apocalyptic number.

30233232155123 is a deficient number, since it is larger than the sum of its proper divisors (27066457837).

30233232155123 is a wasteful number, since it uses less digits than its factorization.

30233232155123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27066457836.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 30233232155123 its reverse (32155123233203), we get a palindrome (62388355388326).

The spelling of 30233232155123 in words is "thirty trillion, two hundred thirty-three billion, two hundred thirty-two million, one hundred fifty-five thousand, one hundred twenty-three".