65231403 has 8 divisors (see below), whose sum is σ = 88449600. Its totient is φ = 42750408.

The previous prime is 65231399. The next prime is 65231423. The reversal of 65231403 is 30413256.

It is a happy number.

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

It is not a de Polignac number, because 65231403 - 2² = 65231399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65231423) 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, 184093 + ... + 184446.

It is an arithmetic number, because the mean of its divisors is an integer number (11056200).

Almost surely, 2^65231403 is an apocalyptic number.

65231403 is a deficient number, since it is larger than the sum of its proper divisors (23218197).

65231403 is a wasteful number, since it uses less digits than its factorization.

65231403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368601.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 65231403 is about 8076.5960032677. The cubic root of 65231403 is about 402.5491430808.

Adding to 65231403 its reverse (30413256), we get a palindrome (95644659).

The spelling of 65231403 in words is "sixty-five million, two hundred thirty-one thousand, four hundred three".