30100020423 has 16 divisors (see below), whose sum is σ = 43787177856. Its totient is φ = 18240215840.

The previous prime is 30100020413. The next prime is 30100020427. The reversal of 30100020423 is 32402000103.

It is not a de Polignac number, because 30100020423 - 2¹⁰ = 30100019399 is a prime.

It is a super-2 number, since 2×30100020423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30100020427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243736 + ... + 345842.

It is an arithmetic number, because the mean of its divisors is an integer number (2736698616).

Almost surely, 2^30100020423 is an apocalyptic number.

30100020423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30100020423 is a deficient number, since it is larger than the sum of its proper divisors (13687157433).

30100020423 is a wasteful number, since it uses less digits than its factorization.

30100020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111054.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30100020423 its reverse (32402000103), we get a palindrome (62502020526).

The spelling of 30100020423 in words is "thirty billion, one hundred million, twenty thousand, four hundred twenty-three".