23345742 has 64 divisors (see below), whose sum is σ = 55770624. Its totient is φ = 6376320.

The previous prime is 23345719. The next prime is 23345747. The reversal of 23345742 is 24754332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23345747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128892 + ... + 129072.

It is an arithmetic number, because the mean of its divisors is an integer number (871416).

Almost surely, 2^23345742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23345742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27885312).

23345742 is an abundant number, since it is smaller than the sum of its proper divisors (32424882).

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

23345742 is a wasteful number, since it uses less digits than its factorization.

23345742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its digits is 20160, while the sum is 30.

The square root of 23345742 is about 4831.7431637040. The cubic root of 23345742 is about 285.8046084195.

The spelling of 23345742 in words is "twenty-three million, three hundred forty-five thousand, seven hundred forty-two".