401423011 has 8 divisors (see below), whose sum is σ = 438133248. Its totient is φ = 364749000.

The previous prime is 401423003. The next prime is 401423021. The reversal of 401423011 is 110324104.

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

It is not a de Polignac number, because 401423011 - 2³ = 401423003 is a prime.

It is a super-2 number, since 2×401423011² = 322280867520612242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401423021) 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, 17526 + ... + 33316.

It is an arithmetic number, because the mean of its divisors is an integer number (54766656).

Almost surely, 2^401423011 is an apocalyptic number.

401423011 is a deficient number, since it is larger than the sum of its proper divisors (36710237).

401423011 is a wasteful number, since it uses less digits than its factorization.

401423011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18113.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 401423011 is about 20035.5436911505. The cubic root of 401423011 is about 737.6790018819.

Adding to 401423011 its reverse (110324104), we get a palindrome (511747115).

The spelling of 401423011 in words is "four hundred one million, four hundred twenty-three thousand, eleven".