24023142 has 160 divisors (see below), whose sum is σ = 68058144. Its totient is φ = 6220800.

The previous prime is 24023141. The next prime is 24023177. The reversal of 24023142 is 24132042.

It is a super-2 number, since 2×24023142² = 1154222703104328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24023141) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 393792 + ... + 393852.

Almost surely, 2^24023142 is an apocalyptic number.

24023142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 24023142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34029072).

24023142 is an abundant number, since it is smaller than the sum of its proper divisors (44035002).

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

24023142 is a wasteful number, since it uses less digits than its factorization.

24023142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 24023142 is about 4901.3408369547. The cubic root of 24023142 is about 288.5425968879.

Adding to 24023142 its reverse (24132042), we get a palindrome (48155184).

Subtracting 24023142 from its reverse (24132042), we obtain a square (108900 = 330²).

The spelling of 24023142 in words is "twenty-four million, twenty-three thousand, one hundred forty-two".