401323357 has 4 divisors (see below), whose sum is σ = 402751836. Its totient is φ = 399894880.

The previous prime is 401323337. The next prime is 401323361. The reversal of 401323357 is 753323104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 227979801 + 173343556 = 15099^2 + 13166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401323357 is a prime.

It is a super-2 number, since 2×401323357² = 322120873747498898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401323327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713818 + ... + 714379.

It is an arithmetic number, because the mean of its divisors is an integer number (100687959).

Almost surely, 2^401323357 is an apocalyptic number.

It is an amenable number.

401323357 is a deficient number, since it is larger than the sum of its proper divisors (1428479).

401323357 is a wasteful number, since it uses less digits than its factorization.

401323357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428478.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 401323357 is about 20033.0566065191. The cubic root of 401323357 is about 737.6179534407.

The spelling of 401323357 in words is "four hundred one million, three hundred twenty-three thousand, three hundred fifty-seven".