23503120220661 has 8 divisors (see below), whose sum is σ = 31366973870400. Its totient is φ = 15654006692352.

The previous prime is 23503120220647. The next prime is 23503120220663. The reversal of 23503120220661 is 16602202130532.

It is a happy number.

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

It is not a de Polignac number, because 23503120220661 - 2⁶ = 23503120220597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23503120220663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3685026636 + ... + 3685033013.

It is an arithmetic number, because the mean of its divisors is an integer number (3920871733800).

Almost surely, 2^{23503120220661} is an apocalyptic number.

It is an amenable number.

23503120220661 is a deficient number, since it is larger than the sum of its proper divisors (7863853649739).

23503120220661 is a wasteful number, since it uses less digits than its factorization.

23503120220661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370060715.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 23503120220661 in words is "twenty-three trillion, five hundred three billion, one hundred twenty million, two hundred twenty thousand, six hundred sixty-one".