1423553404 has 24 divisors (see below), whose sum is σ = 3066115808. Its totient is φ = 563163840.

The previous prime is 1423553389. The next prime is 1423553413. The reversal of 1423553404 is 4043553241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955067 + ... + 1955794.

Almost surely, 2^1423553404 is an apocalyptic number.

1423553404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1423553404 is an abundant number, since it is smaller than the sum of its proper divisors (1642562404).

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

1423553404 is a wasteful number, since it uses less digits than its factorization.

1423553404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910885 (or 3910883 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 1423553404 is about 37730.0066790347. The cubic root of 1423553404 is about 1124.9276408440.

The spelling of 1423553404 in words is "one billion, four hundred twenty-three million, five hundred fifty-three thousand, four hundred four".