30515234423423 has 4 divisors (see below), whose sum is σ = 30549793013688. Its totient is φ = 30480675833160.

The previous prime is 30515234423393. The next prime is 30515234423447. The reversal of 30515234423423 is 32432443251503.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30515234423423 - 2¹⁴ = 30515234407039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30515234023423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17279293808 + ... + 17279295573.

It is an arithmetic number, because the mean of its divisors is an integer number (7637448253422).

Almost surely, 2^{30515234423423} is an apocalyptic number.

30515234423423 is a deficient number, since it is larger than the sum of its proper divisors (34558590265).

30515234423423 is an equidigital number, since it uses as much as digits as its factorization.

30515234423423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34558590264.

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 30515234423423 its reverse (32432443251503), we get a palindrome (62947677674926).

The spelling of 30515234423423 in words is "thirty trillion, five hundred fifteen billion, two hundred thirty-four million, four hundred twenty-three thousand, four hundred twenty-three".