33023130144 has 48 divisors (see below), whose sum is σ = 86695969248. Its totient is φ = 11006408192.

The previous prime is 33023130143. The next prime is 33023130191. The reversal of 33023130144 is 44103132033.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×33023130144² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (33023130143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136404 + ... + 1165100.

It is an arithmetic number, because the mean of its divisors is an integer number (1806166026).

Almost surely, 2^33023130144 is an apocalyptic number.

It is an amenable number.

33023130144 is an abundant number, since it is smaller than the sum of its proper divisors (53672839104).

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

33023130144 is a wasteful number, since it uses less digits than its factorization.

33023130144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40697 (or 40689 counting only the distinct ones).

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

Adding to 33023130144 its reverse (44103132033), we get a palindrome (77126262177).

The spelling of 33023130144 in words is "thirty-three billion, twenty-three million, one hundred thirty thousand, one hundred forty-four".