30123123310 has 128 divisors (see below), whose sum is σ = 68028491520. Its totient is φ = 9364045824.

The previous prime is 30123123307. The next prime is 30123123343. The reversal of 30123123310 is 1332132103.

It is a super-2 number, since 2×30123123310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23224582 + ... + 23225878.

It is an arithmetic number, because the mean of its divisors is an integer number (531472590).

Almost surely, 2^30123123310 is an apocalyptic number.

30123123310 is an abundant number, since it is smaller than the sum of its proper divisors (37905368210).

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

30123123310 is a wasteful number, since it uses less digits than its factorization.

30123123310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30123123310 its reverse (1332132103), we get a palindrome (31455255413).

The spelling of 30123123310 in words is "thirty billion, one hundred twenty-three million, one hundred twenty-three thousand, three hundred ten".