400423334 has 8 divisors (see below), whose sum is σ = 600788448. Its totient is φ = 200160520.

The previous prime is 400423313. The next prime is 400423357. The reversal of 400423334 is 433324004.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14897 + ... + 31980.

It is an arithmetic number, because the mean of its divisors is an integer number (75098556).

Almost surely, 2^400423334 is an apocalyptic number.

400423334 is a deficient number, since it is larger than the sum of its proper divisors (200365114).

400423334 is a wasteful number, since it uses less digits than its factorization.

400423334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51150.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 400423334 is about 20010.5805512984. The cubic root of 400423334 is about 737.0661373829.

Adding to 400423334 its reverse (433324004), we get a palindrome (833747338).

The spelling of 400423334 in words is "four hundred million, four hundred twenty-three thousand, three hundred thirty-four".