23940342 has 24 divisors (see below), whose sum is σ = 54601560. Its totient is φ = 7560000.

The previous prime is 23940337. The next prime is 23940349. The reversal of 23940342 is 24304932.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23940349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34659 + ... + 35342.

It is an arithmetic number, because the mean of its divisors is an integer number (2275065).

Almost surely, 2^23940342 is an apocalyptic number.

23940342 is an abundant number, since it is smaller than the sum of its proper divisors (30661218).

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

23940342 is a wasteful number, since it uses less digits than its factorization.

23940342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70028 (or 70025 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 23940342 is about 4892.8868779076. The cubic root of 23940342 is about 288.2107109609.

The spelling of 23940342 in words is "twenty-three million, nine hundred forty thousand, three hundred forty-two".