30421020310023 has 32 divisors (see below), whose sum is σ = 46376518823424. Its totient is φ = 17375687626752.

The previous prime is 30421020310013. The next prime is 30421020310039. The reversal of 30421020310023 is 32001302012403.

It is not a de Polignac number, because 30421020310023 - 2⁴ = 30421020310007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421020310013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454167511 + ... + 454234487.

It is an arithmetic number, because the mean of its divisors is an integer number (1449266213232).

Almost surely, 2^{30421020310023} is an apocalyptic number.

30421020310023 is a deficient number, since it is larger than the sum of its proper divisors (15955498513401).

30421020310023 is a wasteful number, since it uses less digits than its factorization.

30421020310023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76311.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30421020310023 its reverse (32001302012403), we get a palindrome (62422322322426).

The spelling of 30421020310023 in words is "thirty trillion, four hundred twenty-one billion, twenty million, three hundred ten thousand, twenty-three".