4023121432 has 32 divisors (see below), whose sum is σ = 8243830080. Its totient is φ = 1825420960.

The previous prime is 4023121423. The next prime is 4023121457. The reversal of 4023121432 is 2341213204.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 8943 + ... + 90145.

It is an arithmetic number, because the mean of its divisors is an integer number (257619690).

Almost surely, 2^4023121432 is an apocalyptic number.

It is an amenable number.

4023121432 is an abundant number, since it is smaller than the sum of its proper divisors (4220708648).

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

4023121432 is a wasteful number, since it uses less digits than its factorization.

4023121432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81783 (or 81779 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4023121432 is about 63428.0807844601. The cubic root of 4023121432 is about 1590.4537597107.

Adding to 4023121432 its reverse (2341213204), we get a palindrome (6364334636).

The spelling of 4023121432 in words is "four billion, twenty-three million, one hundred twenty-one thousand, four hundred thirty-two".