30263640023 has 4 divisors (see below), whose sum is σ = 32043854160. Its totient is φ = 28483425888.

The previous prime is 30263639971. The next prime is 30263640053. The reversal of 30263640023 is 32004636203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30263640023 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 (30263640053) 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, 890107043 + ... + 890107076.

It is an arithmetic number, because the mean of its divisors is an integer number (8010963540).

Almost surely, 2^30263640023 is an apocalyptic number.

30263640023 is a deficient number, since it is larger than the sum of its proper divisors (1780214137).

30263640023 is a wasteful number, since it uses less digits than its factorization.

30263640023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780214136.

The product of its (nonzero) digits is 15552, while the sum is 29.

The spelling of 30263640023 in words is "thirty billion, two hundred sixty-three million, six hundred forty thousand, twenty-three".