1423828930 has 8 divisors (see below), whose sum is σ = 2562892092. Its totient is φ = 569531568.

The previous prime is 1423828919. The next prime is 1423828949. The reversal of 1423828930 is 398283241.

It can be written as a sum of positive squares in 2 ways, for example, as 1177244721 + 246584209 = 34311^2 + 15703^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71191437 + ... + 71191456.

Almost surely, 2^1423828930 is an apocalyptic number.

1423828930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423828930 is a deficient number, since it is larger than the sum of its proper divisors (1139063162).

1423828930 is a wasteful number, since it uses less digits than its factorization.

1423828930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142382900.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1423828930 is about 37733.6577871799. The cubic root of 1423828930 is about 1125.0002120164. Note that the first 3 decimals are identical.

The spelling of 1423828930 in words is "one billion, four hundred twenty-three million, eight hundred twenty-eight thousand, nine hundred thirty".