122023457 has 2 divisors, whose sum is σ = 122023458. Its totient is φ = 122023456.

The previous prime is 122023423. The next prime is 122023459. The reversal of 122023457 is 754320221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82283041 + 39740416 = 9071^2 + 6304^2 .

It is a cyclic number.

It is not a de Polignac number, because 122023457 - 2⁸ = 122023201 is a prime.

Together with 122023459, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_6950321 and since 122023457 and 6950321 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (122023459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61011728 + 61011729.

It is an arithmetic number, because the mean of its divisors is an integer number (61011729).

Almost surely, 2^122023457 is an apocalyptic number.

It is an amenable number.

122023457 is a deficient number, since it is larger than the sum of its proper divisors (1).

122023457 is an equidigital number, since it uses as much as digits as its factorization.

122023457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 122023457 is about 11046.4228146491. The cubic root of 122023457 is about 495.9993509899. Note that the first 3 decimals are identical.

Adding to 122023457 its reverse (754320221), we get a palindrome (876343678).

The spelling of 122023457 in words is "one hundred twenty-two million, twenty-three thousand, four hundred fifty-seven".