30305023023 has 16 divisors (see below), whose sum is σ = 45155158272. Its totient is φ = 17918712000.

The previous prime is 30305023019. The next prime is 30305023037. The reversal of 30305023023 is 32032050303.

It is not a de Polignac number, because 30305023023 - 2² = 30305023019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30305023003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11197843 + ... + 11200548.

It is an arithmetic number, because the mean of its divisors is an integer number (2822197392).

Almost surely, 2^30305023023 is an apocalyptic number.

30305023023 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30305023023 is a deficient number, since it is larger than the sum of its proper divisors (14850135249).

30305023023 is a wasteful number, since it uses less digits than its factorization.

30305023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22398446.

The product of its (nonzero) digits is 1620, while the sum is 21.

Adding to 30305023023 its reverse (32032050303), we get a palindrome (62337073326).

The spelling of 30305023023 in words is "thirty billion, three hundred five million, twenty-three thousand, twenty-three".