30123491244 has 384 divisors, whose sum is σ = 95208013824. Its totient is φ = 7185024000.

The previous prime is 30123491197. The next prime is 30123491261. The reversal of 30123491244 is 44219432103.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 45572274 + ... + 45572934.

It is an arithmetic number, because the mean of its divisors is an integer number (247937536).

Almost surely, 2^30123491244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30123491244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47604006912).

30123491244 is an abundant number, since it is smaller than the sum of its proper divisors (65084522580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30123491244 is a wasteful number, since it uses less digits than its factorization.

30123491244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 30123491244 in words is "thirty billion, one hundred twenty-three million, four hundred ninety-one thousand, two hundred forty-four".