23157853 has 2 divisors, whose sum is σ = 23157854. Its totient is φ = 23157852.

The previous prime is 23157851. The next prime is 23157943. The reversal of 23157853 is 35875132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13089924 + 10067929 = 3618^2 + 3173^2 .

It is a cyclic number.

It is not a de Polignac number, because 23157853 - 2¹ = 23157851 is a prime.

Together with 23157851, 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 (23157851) 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, 11578926 + 11578927.

It is an arithmetic number, because the mean of its divisors is an integer number (11578927).

Almost surely, 2^23157853 is an apocalyptic number.

It is an amenable number.

23157853 is a deficient number, since it is larger than the sum of its proper divisors (1).

23157853 is an equidigital number, since it uses as much as digits as its factorization.

23157853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 34.

The square root of 23157853 is about 4812.2606953489. The cubic root of 23157853 is about 285.0358136999.

The spelling of 23157853 in words is "twenty-three million, one hundred fifty-seven thousand, eight hundred fifty-three".