1423215351 has 12 divisors (see below), whose sum is σ = 2058466800. Its totient is φ = 947558880.

The previous prime is 1423215347. The next prime is 1423215421. The reversal of 1423215351 is 1535123241.

It is not a de Polignac number, because 1423215351 - 2² = 1423215347 is a prime.

It is a super-3 number, since 3×1423215351³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423235351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97051 + ... + 110748.

It is an arithmetic number, because the mean of its divisors is an integer number (171538900).

Almost surely, 2^1423215351 is an apocalyptic number.

1423215351 is a deficient number, since it is larger than the sum of its proper divisors (635251449).

1423215351 is a wasteful number, since it uses less digits than its factorization.

1423215351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208566 (or 208563 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1423215351 is about 37725.5265172005. The cubic root of 1423215351 is about 1124.8385878051.

Adding to 1423215351 its reverse (1535123241), we get a palindrome (2958338592).

The spelling of 1423215351 in words is "one billion, four hundred twenty-three million, two hundred fifteen thousand, three hundred fifty-one".