30623315140 has 48 divisors (see below), whose sum is σ = 70849888704. Its totient is φ = 11025488000.

The previous prime is 30623315123. The next prime is 30623315141. The reversal of 30623315140 is 4151332603.

It is a junction number, because it is equal to n+sod(n) for n = 30623315099 and 30623315108.

It is not an unprimeable number, because it can be changed into a prime (30623315141) 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, 666874 + ... + 711313.

It is an arithmetic number, because the mean of its divisors is an integer number (1476039348).

Almost surely, 2^30623315140 is an apocalyptic number.

It is an amenable number.

30623315140 is an abundant number, since it is smaller than the sum of its proper divisors (40226573564).

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

30623315140 is a wasteful number, since it uses less digits than its factorization.

30623315140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378308 (or 1378306 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 30623315140 its reverse (4151332603), we get a palindrome (34774647743).

The spelling of 30623315140 in words is "thirty billion, six hundred twenty-three million, three hundred fifteen thousand, one hundred forty".