30423432120 has 64 divisors (see below), whose sum is σ = 91284157440. Its totient is φ = 8111683200.

The previous prime is 30423432107. The next prime is 30423432121. The reversal of 30423432120 is 2123432403.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30423432121) 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, 996685 + ... + 1026755.

It is an arithmetic number, because the mean of its divisors is an integer number (1426314960).

Almost surely, 2^30423432120 is an apocalyptic number.

30423432120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30423432120 is an abundant number, since it is smaller than the sum of its proper divisors (60860725320).

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

30423432120 is a wasteful number, since it uses less digits than its factorization.

30423432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38516 (or 38512 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30423432120 its reverse (2123432403), we get a palindrome (32546864523).

The spelling of 30423432120 in words is "thirty billion, four hundred twenty-three million, four hundred thirty-two thousand, one hundred twenty".