245293823 has 2 divisors, whose sum is σ = 245293824. Its totient is φ = 245293822.

The previous prime is 245293777. The next prime is 245293843. The reversal of 245293823 is 328392542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245293823 - 2⁸ = 245293567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245293843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122646911 + 122646912.

It is an arithmetic number, because the mean of its divisors is an integer number (122646912).

Almost surely, 2^245293823 is an apocalyptic number.

245293823 is a deficient number, since it is larger than the sum of its proper divisors (1).

245293823 is an equidigital number, since it uses as much as digits as its factorization.

245293823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 245293823 is about 15661.8588615783. The cubic root of 245293823 is about 625.9825169407.

The spelling of 245293823 in words is "two hundred forty-five million, two hundred ninety-three thousand, eight hundred twenty-three".