1423400960 has 224 divisors, whose sum is σ = 3774643200. Its totient is φ = 513146880.

The previous prime is 1423400893. The next prime is 1423400963. The reversal of 1423400960 is 690043241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423400963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24125411 + ... + 24125469.

Almost surely, 2^1423400960 is an apocalyptic number.

1423400960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423400960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1887321600).

1423400960 is an abundant number, since it is smaller than the sum of its proper divisors (2351242240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423400960 is an equidigital number, since it uses as much as digits as its factorization.

1423400960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1423400960 is about 37727.9864291748. The cubic root of 1423400960 is about 1124.8874843851.

The spelling of 1423400960 in words is "one billion, four hundred twenty-three million, four hundred thousand, nine hundred sixty".