1623233040 has 160 divisors (see below), whose sum is σ = 5911871616. Its totient is φ = 363233280.

The previous prime is 1623233021. The next prime is 1623233047. The reversal of 1623233040 is 403323261.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1623233040.

It is not an unprimeable number, because it can be changed into a prime (1623233047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10672 + ... + 57968.

Almost surely, 2^1623233040 is an apocalyptic number.

1623233040 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 1623233040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2955935808).

1623233040 is an abundant number, since it is smaller than the sum of its proper divisors (4288638576).

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

1623233040 is a wasteful number, since it uses less digits than its factorization.

1623233040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47337 (or 47331 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1623233040 is about 40289.3663390230. The cubic root of 1623233040 is about 1175.2410647691.

The spelling of 1623233040 in words is "one billion, six hundred twenty-three million, two hundred thirty-three thousand, forty".