23061501 has 6 divisors (see below), whose sum is σ = 33311070. Its totient is φ = 15374328.

The previous prime is 23061491. The next prime is 23061509. The reversal of 23061501 is 10516032.

It can be written as a sum of positive squares in only one way, i.e., 18714276 + 4347225 = 4326^2 + 2085^2 .

It is not a de Polignac number, because 23061501 - 2¹⁷ = 22930429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23061509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1281186 + ... + 1281203.

It is an arithmetic number, because the mean of its divisors is an integer number (5551845).

Almost surely, 2^23061501 is an apocalyptic number.

It is an amenable number.

23061501 is a deficient number, since it is larger than the sum of its proper divisors (10249569).

23061501 is a wasteful number, since it uses less digits than its factorization.

23061501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562395 (or 2562392 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 23061501 is about 4802.2391652228. The cubic root of 23061501 is about 284.6399516113.

Adding to 23061501 its reverse (10516032), we get a palindrome (33577533).

The spelling of 23061501 in words is "twenty-three million, sixty-one thousand, five hundred one".