1423923450 has 48 divisors (see below), whose sum is σ = 3535193376. Its totient is φ = 379297600.

The previous prime is 1423923443. The next prime is 1423923469. The reversal of 1423923450 is 543293241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147265 + ... + 156635.

It is an arithmetic number, because the mean of its divisors is an integer number (73649862).

Almost surely, 2^1423923450 is an apocalyptic number.

1423923450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423923450 is an abundant number, since it is smaller than the sum of its proper divisors (2111269926).

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

1423923450 is a wasteful number, since it uses less digits than its factorization.

1423923450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10399 (or 10394 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1423923450 is about 37734.9102291234. The cubic root of 1423923450 is about 1125.0251056126.

The spelling of 1423923450 in words is "one billion, four hundred twenty-three million, nine hundred twenty-three thousand, four hundred fifty".