1423632455 has 8 divisors (see below), whose sum is σ = 1952410272. Its totient is φ = 976205088.

The previous prime is 1423632451. The next prime is 1423632473. The reversal of 1423632455 is 5542363241.

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

It is a cyclic number.

It is not a de Polignac number, because 1423632455 - 2² = 1423632451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 40675213 = 1423632455 / (1 + 4 + 2 + 3 + 6 + 3 + 2 + 4 + 5 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423632451) 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, 20337572 + ... + 20337641.

It is an arithmetic number, because the mean of its divisors is an integer number (244051284).

Almost surely, 2^1423632455 is an apocalyptic number.

1423632455 is a deficient number, since it is larger than the sum of its proper divisors (528777817).

1423632455 is an equidigital number, since it uses as much as digits as its factorization.

1423632455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40675225.

The product of its digits is 86400, while the sum is 35.

The square root of 1423632455 is about 37731.0542524324. The cubic root of 1423632455 is about 1124.9484631535.

Adding to 1423632455 its reverse (5542363241), we get a palindrome (6965995696).

The spelling of 1423632455 in words is "one billion, four hundred twenty-three million, six hundred thirty-two thousand, four hundred fifty-five".