1423033940 has 24 divisors (see below), whose sum is σ = 2989399392. Its totient is φ = 569017760.

The previous prime is 1423033907. The next prime is 1423033961. The reversal of 1423033940 is 493303241.

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, 56867 + ... + 77973.

It is an arithmetic number, because the mean of its divisors is an integer number (124558308).

Almost surely, 2^1423033940 is an apocalyptic number.

1423033940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423033940 is an abundant number, since it is smaller than the sum of its proper divisors (1566365452).

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

1423033940 is a wasteful number, since it uses less digits than its factorization.

1423033940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24487 (or 24485 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 1423033940 is about 37723.1220871232. The cubic root of 1423033940 is about 1124.7907930321.

The spelling of 1423033940 in words is "one billion, four hundred twenty-three million, thirty-three thousand, nine hundred forty".