230540404 has 6 divisors (see below), whose sum is σ = 403445714. Its totient is φ = 115270200.

The previous prime is 230540389. The next prime is 230540419. The reversal of 230540404 is 404045032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230540389) and next prime (230540419).

It can be written as a sum of positive squares in only one way, i.e., 158256400 + 72284004 = 12580^2 + 8502^2 .

It is a super-3 number, since 3×230540404³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28817547 + ... + 28817554.

Almost surely, 2^230540404 is an apocalyptic number.

It is an amenable number.

230540404 is a deficient number, since it is larger than the sum of its proper divisors (172905310).

230540404 is a wasteful number, since it uses less digits than its factorization.

230540404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57635105 (or 57635103 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 230540404 is about 15183.5570272581. The cubic root of 230540404 is about 613.1720494583.

Adding to 230540404 its reverse (404045032), we get a palindrome (634585436).

The spelling of 230540404 in words is "two hundred thirty million, five hundred forty thousand, four hundred four".