401133623 has 8 divisors (see below), whose sum is σ = 444132480. Its totient is φ = 359223480.

The previous prime is 401133589. The next prime is 401133631. The reversal of 401133623 is 326331104.

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

It is not a de Polignac number, because 401133623 - 2⁸ = 401133367 is a prime.

It is a super-2 number, since 2×401133623² = 321816367002212258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401133023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271403 + ... + 272876.

It is an arithmetic number, because the mean of its divisors is an integer number (55516560).

Almost surely, 2^401133623 is an apocalyptic number.

401133623 is a deficient number, since it is larger than the sum of its proper divisors (42998857).

401133623 is a wasteful number, since it uses less digits than its factorization.

401133623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544357.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 401133623 is about 20028.3205236984. The cubic root of 401133623 is about 737.5016936857.

Adding to 401133623 its reverse (326331104), we get a palindrome (727464727).

The spelling of 401133623 in words is "four hundred one million, one hundred thirty-three thousand, six hundred twenty-three".