23980501 has 4 divisors (see below), whose sum is σ = 24021004. Its totient is φ = 23940000.

The previous prime is 23980499. The next prime is 23980511. The reversal of 23980501 is 10508932.

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 9548100 + 14432401 = 3090^2 + 3799^2 .

It is a cyclic number.

It is not a de Polignac number, because 23980501 - 2¹ = 23980499 is a prime.

It is a super-2 number, since 2×23980501² = 1150128856422002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23980501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23980511) 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, 19350 + ... + 20551.

It is an arithmetic number, because the mean of its divisors is an integer number (6005251).

Almost surely, 2^23980501 is an apocalyptic number.

It is an amenable number.

23980501 is a deficient number, since it is larger than the sum of its proper divisors (40503).

23980501 is an equidigital number, since it uses as much as digits as its factorization.

23980501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40502.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 23980501 is about 4896.9889728281. The cubic root of 23980501 is about 288.3717750506.

The spelling of 23980501 in words is "twenty-three million, nine hundred eighty thousand, five hundred one".