401023333 has 6 divisors (see below), whose sum is σ = 407709042. Its totient is φ = 394445520.

The previous prime is 401023309. The next prime is 401023349. The reversal of 401023333 is 333320104.

It can be written as a sum of positive squares in 3 ways, for example, as 87272964 + 313750369 = 9342^2 + 17713^2 .

It is not a de Polignac number, because 401023333 - 2²¹ = 398926181 is a prime.

It is a super-2 number, since 2×401023333² = 321639427220857778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401023333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401023433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50166 + ... + 57607.

It is an arithmetic number, because the mean of its divisors is an integer number (67951507).

Almost surely, 2^401023333 is an apocalyptic number.

It is an amenable number.

401023333 is a deficient number, since it is larger than the sum of its proper divisors (6685709).

401023333 is an equidigital number, since it uses as much as digits as its factorization.

401023333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107895 (or 107834 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 401023333 is about 20025.5669832342. The cubic root of 401023333 is about 737.4340964954.

Adding to 401023333 its reverse (333320104), we get a palindrome (734343437).

The spelling of 401023333 in words is "four hundred one million, twenty-three thousand, three hundred thirty-three".