23941990445 has 8 divisors (see below), whose sum is σ = 28731219480. Its totient is φ = 19153038400.

The previous prime is 23941990417. The next prime is 23941990487. The reversal of 23941990445 is 54409914932.

It can be written as a sum of positive squares in 4 ways, for example, as 595067236 + 23346923209 = 24394^2 + 152797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23941990445 - 2⁶ = 23941990381 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23941990393 and 23941990402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297611 + ... + 369399.

It is an arithmetic number, because the mean of its divisors is an integer number (3591402435).

Almost surely, 2^23941990445 is an apocalyptic number.

It is an amenable number.

23941990445 is a deficient number, since it is larger than the sum of its proper divisors (4789229035).

23941990445 is an equidigital number, since it uses as much as digits as its factorization.

23941990445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138495.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 23941990445 in words is "twenty-three billion, nine hundred forty-one million, nine hundred ninety thousand, four hundred forty-five".