23242783 has 2 divisors, whose sum is σ = 23242784. Its totient is φ = 23242782.

The previous prime is 23242759. The next prime is 23242789. The reversal of 23242783 is 38724232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23242783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23242789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11621391 + 11621392.

It is an arithmetic number, because the mean of its divisors is an integer number (11621392).

Almost surely, 2^23242783 is an apocalyptic number.

23242783 is a deficient number, since it is larger than the sum of its proper divisors (1).

23242783 is an equidigital number, since it uses as much as digits as its factorization.

23242783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

The square root of 23242783 is about 4821.0769543744. The cubic root of 23242783 is about 285.3838390243.

It can be divided in two parts, 23242 and 783, that added together give a square (24025 = 155²).

The spelling of 23242783 in words is "twenty-three million, two hundred forty-two thousand, seven hundred eighty-three".