401230523 has 2 divisors, whose sum is σ = 401230524. Its totient is φ = 401230522.

The previous prime is 401230519. The next prime is 401230547. The reversal of 401230523 is 325032104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401230523 - 2² = 401230519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 401230495 and 401230504.

It is not a weakly prime, because it can be changed into another prime (401230513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200615261 + 200615262.

It is an arithmetic number, because the mean of its divisors is an integer number (200615262).

Almost surely, 2^401230523 is an apocalyptic number.

401230523 is a deficient number, since it is larger than the sum of its proper divisors (1).

401230523 is an equidigital number, since it uses as much as digits as its factorization.

401230523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 401230523 is about 20030.7394521520. The cubic root of 401230523 is about 737.5610738659.

Adding to 401230523 its reverse (325032104), we get a palindrome (726262627).

The spelling of 401230523 in words is "four hundred one million, two hundred thirty thousand, five hundred twenty-three".