23113501 has 2 divisors, whose sum is σ = 23113502. Its totient is φ = 23113500.

The previous prime is 23113499. The next prime is 23113513. The reversal of 23113501 is 10531132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19404025 + 3709476 = 4405^2 + 1926^2 .

It is a cyclic number.

It is not a de Polignac number, because 23113501 - 2¹ = 23113499 is a prime.

Together with 23113499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23113561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556750 + 11556751.

It is an arithmetic number, because the mean of its divisors is an integer number (11556751).

Almost surely, 2^23113501 is an apocalyptic number.

It is an amenable number.

23113501 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113501 is an equidigital number, since it uses as much as digits as its factorization.

23113501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 23113501 is about 4807.6502576623. The cubic root of 23113501 is about 284.8537302166.

Adding to 23113501 its reverse (10531132), we get a palindrome (33644633).

The spelling of 23113501 in words is "twenty-three million, one hundred thirteen thousand, five hundred one".