23161783 has 2 divisors, whose sum is σ = 23161784. Its totient is φ = 23161782.

The previous prime is 23161781. The next prime is 23161793. The reversal of 23161783 is 38716132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23161783 - 2¹ = 23161781 is a prime.

Together with 23161781, 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 (23161781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11580891 + 11580892.

It is an arithmetic number, because the mean of its divisors is an integer number (11580892).

Almost surely, 2^23161783 is an apocalyptic number.

23161783 is a deficient number, since it is larger than the sum of its proper divisors (1).

23161783 is an equidigital number, since it uses as much as digits as its factorization.

23161783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 23161783 is about 4812.6690100193. The cubic root of 23161783 is about 285.0519367746.

The spelling of 23161783 in words is "twenty-three million, one hundred sixty-one thousand, seven hundred eighty-three".