63400323 has 8 divisors (see below), whose sum is σ = 96610048. Its totient is φ = 36228744.

The previous prime is 63400319. The next prime is 63400333. The reversal of 63400323 is 32300436.

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

It is not a de Polignac number, because 63400323 - 2² = 63400319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 3019063 = 63400323 / (6 + 3 + 4 + 0 + 0 + 3 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63400323.

It is not an unprimeable number, because it can be changed into a prime (63400333) 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, 1509511 + ... + 1509552.

It is an arithmetic number, because the mean of its divisors is an integer number (12076256).

Almost surely, 2^63400323 is an apocalyptic number.

63400323 is a deficient number, since it is larger than the sum of its proper divisors (33209725).

63400323 is a wasteful number, since it uses less digits than its factorization.

63400323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019073.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 63400323 is about 7962.4319777314. The cubic root of 63400323 is about 398.7467504313.

Adding to 63400323 its reverse (32300436), we get a palindrome (95700759).

The spelling of 63400323 in words is "sixty-three million, four hundred thousand, three hundred twenty-three".