1423473380 has 24 divisors (see below), whose sum is σ = 3416336448. Its totient is φ = 488047968.

The previous prime is 1423473371. The next prime is 1423473449. The reversal of 1423473380 is 833743241.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1423473380.

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, 5083694 + ... + 5083973.

It is an arithmetic number, because the mean of its divisors is an integer number (142347352).

Almost surely, 2^1423473380 is an apocalyptic number.

1423473380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423473380 is an abundant number, since it is smaller than the sum of its proper divisors (1992863068).

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

1423473380 is a wasteful number, since it uses less digits than its factorization.

1423473380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10167683 (or 10167681 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 1423473380 is about 37728.9461819436. The cubic root of 1423473380 is about 1124.9065614576.

The spelling of 1423473380 in words is "one billion, four hundred twenty-three million, four hundred seventy-three thousand, three hundred eighty".