23361057 has 12 divisors (see below), whose sum is σ = 33833124. Its totient is φ = 15532800.

The previous prime is 23361049. The next prime is 23361061. The reversal of 23361057 is 75016332.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15610401 + 7750656 = 3951^2 + 2784^2 .

It is not a de Polignac number, because 23361057 - 2³ = 23361049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23361057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23361007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373 + ... + 6845.

It is an arithmetic number, because the mean of its divisors is an integer number (2819427).

Almost surely, 2^23361057 is an apocalyptic number.

It is an amenable number.

23361057 is a deficient number, since it is larger than the sum of its proper divisors (10472067).

23361057 is a wasteful number, since it uses less digits than its factorization.

23361057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880 (or 6877 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 23361057 is about 4833.3277356289. The cubic root of 23361057 is about 285.8670914880.

Adding to 23361057 its reverse (75016332), we get a palindrome (98377389).

The spelling of 23361057 in words is "twenty-three million, three hundred sixty-one thousand, fifty-seven".