23890320433 has 4 divisors (see below), whose sum is σ = 27303223360. Its totient is φ = 20477417508.

The previous prime is 23890320431. The next prime is 23890320457. The reversal of 23890320433 is 33402309832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23890320433 - 2¹ = 23890320431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23890320392 and 23890320401.

It is not an unprimeable number, because it can be changed into a prime (23890320431) 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, 1706451453 + ... + 1706451466.

It is an arithmetic number, because the mean of its divisors is an integer number (6825805840).

Almost surely, 2^23890320433 is an apocalyptic number.

It is an amenable number.

23890320433 is a deficient number, since it is larger than the sum of its proper divisors (3412902927).

23890320433 is an equidigital number, since it uses as much as digits as its factorization.

23890320433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412902926.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 23890320433 in words is "twenty-three billion, eight hundred ninety million, three hundred twenty thousand, four hundred thirty-three".