30742923803 has 16 divisors (see below), whose sum is σ = 32590791936.
Its totient is φ = 28938534240.
The previous prime is 30742923793. The next prime is 30742923829. The reversal of 30742923803 is 30832924703.
It is a cyclic number.
It is not a de Polignac number, because 30742923803 - 210 = 30742922779 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30742923103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1625600 + ... + 1644402.
It is an arithmetic number, because the mean of its divisors is an integer number (2036924496).
Almost surely, 230742923803 is an apocalyptic number.
30742923803 is a deficient number, since it is larger than the sum of its proper divisors (1847868133).
30742923803 is a wasteful number, since it uses less digits than its factorization.
30742923803 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19954.
The product of its (nonzero) digits is 217728, while the sum is 41.
The spelling of 30742923803 in words is "thirty billion, seven hundred forty-two million, nine hundred twenty-three thousand, eight hundred three".