2423142 has 32 divisors (see below), whose sum is σ = 5621760. Its totient is φ = 772200.

The previous prime is 2423137. The next prime is 2423147. The reversal of 2423142 is 2413242.

It is an interprime number because it is at equal distance from previous prime (2423137) and next prime (2423147).

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267 + ... + 2217.

It is an arithmetic number, because the mean of its divisors is an integer number (175680).

2^2423142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2423142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2810880).

2423142 is an abundant number, since it is smaller than the sum of its proper divisors (3198618).

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

2423142 is a wasteful number, since it uses less digits than its factorization.

2423142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1979 counting only the distinct ones).

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

The square root of 2423142 is about 1556.6444680787. The cubic root of 2423142 is about 134.3155480288.

Adding to 2423142 its reverse (2413242), we get a palindrome (4836384).

The spelling of 2423142 in words is "two million, four hundred twenty-three thousand, one hundred forty-two".