23742032 has 40 divisors (see below), whose sum is σ = 47949312. Its totient is φ = 11376000.

The previous prime is 23742031. The next prime is 23742071. The reversal of 23742032 is 23024732.

It is a junction number, because it is equal to n+sod(n) for n = 23741989 and 23742007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23742031) 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, 74738 + ... + 75054.

Almost surely, 2^23742032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23742032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23974656).

23742032 is an abundant number, since it is smaller than the sum of its proper divisors (24207280).

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

23742032 is a wasteful number, since it uses less digits than its factorization.

23742032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 23742032 is about 4872.5796042753. The cubic root of 23742032 is about 287.4127049398.

Adding to 23742032 its reverse (23024732), we get a palindrome (46766764).

The spelling of 23742032 in words is "twenty-three million, seven hundred forty-two thousand, thirty-two".