30102120023 has 8 divisors (see below), whose sum is σ = 30214589328. Its totient is φ = 29989717504.

The previous prime is 30102120019. The next prime is 30102120047. The reversal of 30102120023 is 32002120103.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30102120023 - 2² = 30102120019 is a prime.

It is a super-2 number, since 2×30102120023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102120053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001015 + ... + 1030647.

It is an arithmetic number, because the mean of its divisors is an integer number (3776823666).

Almost surely, 2^30102120023 is an apocalyptic number.

30102120023 is a deficient number, since it is larger than the sum of its proper divisors (112469305).

30102120023 is a wasteful number, since it uses less digits than its factorization.

30102120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33393.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30102120023 its reverse (32002120103), we get a palindrome (62104240126).

The spelling of 30102120023 in words is "thirty billion, one hundred two million, one hundred twenty thousand, twenty-three".