1423578480 has 160 divisors (see below), whose sum is σ = 4510377984. Its totient is φ = 371340288.

The previous prime is 1423578479. The next prime is 1423578509. The reversal of 1423578480 is 848753241.

It is a super-2 number, since 2×1423578480² = 4053151377438220800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3585642 + ... + 3586038.

Almost surely, 2^1423578480 is an apocalyptic number.

1423578480 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 1423578480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2255188992).

1423578480 is an abundant number, since it is smaller than the sum of its proper divisors (3086799504).

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

1423578480 is a wasteful number, since it uses less digits than its factorization.

1423578480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 1423578480 is about 37730.3389860203. The cubic root of 1423578480 is about 1124.9342460334.

The spelling of 1423578480 in words is "one billion, four hundred twenty-three million, five hundred seventy-eight thousand, four hundred eighty".