30002121023 has 8 divisors (see below), whose sum is σ = 34289190048. Its totient is φ = 25715314944.

The previous prime is 30002121011. The next prime is 30002121029. The reversal of 30002121023 is 32012120003.

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 30002121023 - 2⁸ = 30002120767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30002120989 and 30002121007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002121029) 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, 383015 + ... + 454647.

It is an arithmetic number, because the mean of its divisors is an integer number (4286148756).

Almost surely, 2^30002121023 is an apocalyptic number.

30002121023 is a deficient number, since it is larger than the sum of its proper divisors (4287069025).

30002121023 is an equidigital number, since it uses as much as digits as its factorization.

30002121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131473.

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

Adding to 30002121023 its reverse (32012120003), we get a palindrome (62014241026).

The spelling of 30002121023 in words is "thirty billion, two million, one hundred twenty-one thousand, twenty-three".