23213783 has 2 divisors, whose sum is σ = 23213784. Its totient is φ = 23213782.

The previous prime is 23213779. The next prime is 23213791. The reversal of 23213783 is 38731232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23213783 - 2² = 23213779 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23213083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606891 + 11606892.

It is an arithmetic number, because the mean of its divisors is an integer number (11606892).

Almost surely, 2^23213783 is an apocalyptic number.

23213783 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213783 is an equidigital number, since it uses as much as digits as its factorization.

23213783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 23213783 is about 4818.0683888878. The cubic root of 23213783 is about 285.2650985711.

The spelling of 23213783 in words is "twenty-three million, two hundred thirteen thousand, seven hundred eighty-three".