23104220501 has 4 divisors (see below), whose sum is σ = 23104687500. Its totient is φ = 23103753504.

The previous prime is 23104220497. The next prime is 23104220519. The reversal of 23104220501 is 10502240132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15518681476 + 7585539025 = 124574^2 + 87095^2 .

It is a cyclic number.

It is not a de Polignac number, because 23104220501 - 2² = 23104220497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23104220551) 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, 149126 + ... + 261623.

It is an arithmetic number, because the mean of its divisors is an integer number (5776171875).

Almost surely, 2^23104220501 is an apocalyptic number.

It is an amenable number.

23104220501 is a deficient number, since it is larger than the sum of its proper divisors (466999).

23104220501 is an equidigital number, since it uses as much as digits as its factorization.

23104220501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466998.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 23104220501 its reverse (10502240132), we get a palindrome (33606460633).

The spelling of 23104220501 in words is "twenty-three billion, one hundred four million, two hundred twenty thousand, five hundred one".