401351023 has 2 divisors, whose sum is σ = 401351024. Its totient is φ = 401351022.

The previous prime is 401350993. The next prime is 401351053. The reversal of 401351023 is 320153104.

It is a balanced prime because it is at equal distance from previous prime (401350993) and next prime (401351053).

It is a cyclic number.

It is not a de Polignac number, because 401351023 - 2⁵ = 401350991 is a prime.

It is a super-2 number, since 2×401351023² = 322165287326293058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401351053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200675511 + 200675512.

It is an arithmetic number, because the mean of its divisors is an integer number (200675512).

Almost surely, 2^401351023 is an apocalyptic number.

401351023 is a deficient number, since it is larger than the sum of its proper divisors (1).

401351023 is an equidigital number, since it uses as much as digits as its factorization.

401351023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 401351023 is about 20033.7471033254. The cubic root of 401351023 is about 737.6349027569.

The spelling of 401351023 in words is "four hundred one million, three hundred fifty-one thousand, twenty-three".