23450220445 has 16 divisors (see below), whose sum is σ = 28544624640. Its totient is φ = 18490752000.

The previous prime is 23450220419. The next prime is 23450220463. The reversal of 23450220445 is 54402205432.

It is not a de Polignac number, because 23450220445 - 2¹¹ = 23450218397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1697476 + ... + 1711234.

It is an arithmetic number, because the mean of its divisors is an integer number (1784039040).

Almost surely, 2^23450220445 is an apocalyptic number.

It is an amenable number.

23450220445 is a deficient number, since it is larger than the sum of its proper divisors (5094404195).

23450220445 is a wasteful number, since it uses less digits than its factorization.

23450220445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18636.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 23450220445 its reverse (54402205432), we get a palindrome (77852425877).

The spelling of 23450220445 in words is "twenty-three billion, four hundred fifty million, two hundred twenty thousand, four hundred forty-five".