401451444523 has 8 divisors (see below), whose sum is σ = 403227901440. Its totient is φ = 399675794280.

The previous prime is 401451444473. The next prime is 401451444547. The reversal of 401451444523 is 325444154104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401451444523 - 2²¹ = 401449347371 is a prime.

It is a super-2 number, since 2×401451444523² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401451444593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806986 + ... + 1205872.

It is an arithmetic number, because the mean of its divisors is an integer number (50403487680).

Almost surely, 2^401451444523 is an apocalyptic number.

401451444523 is a deficient number, since it is larger than the sum of its proper divisors (1776456917).

401451444523 is a wasteful number, since it uses less digits than its factorization.

401451444523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403337.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 401451444523 its reverse (325444154104), we get a palindrome (726895598627).

The spelling of 401451444523 in words is "four hundred one billion, four hundred fifty-one million, four hundred forty-four thousand, five hundred twenty-three".