30202121023 has 8 divisors (see below), whose sum is σ = 31953089520. Its totient is φ = 28467290880.

The previous prime is 30202121009. The next prime is 30202121041. The reversal of 30202121023 is 32012120203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30202121023 is a prime.

It is a super-2 number, since 2×30202121023² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30202120988 and 30202121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30202121083) 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, 4030738 + ... + 4038223.

It is an arithmetic number, because the mean of its divisors is an integer number (3994136190).

Almost surely, 2^30202121023 is an apocalyptic number.

30202121023 is a deficient number, since it is larger than the sum of its proper divisors (1750968497).

30202121023 is a wasteful number, since it uses less digits than its factorization.

30202121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069177.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30202121023 its reverse (32012120203), we get a palindrome (62214241226).

The spelling of 30202121023 in words is "thirty billion, two hundred two million, one hundred twenty-one thousand, twenty-three".