23192340 has 96 divisors (see below), whose sum is σ = 69049344. Its totient is φ = 5806080.

The previous prime is 23192333. The next prime is 23192381. The reversal of 23192340 is 4329132.

It is a self number, because there is not a number n which added to its sum of digits gives 23192340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68652 + ... + 68988.

It is an arithmetic number, because the mean of its divisors is an integer number (719264).

Almost surely, 2^23192340 is an apocalyptic number.

23192340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23192340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34524672).

23192340 is an abundant number, since it is smaller than the sum of its proper divisors (45857004).

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

23192340 is a wasteful number, since it uses less digits than its factorization.

23192340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 23192340 is about 4815.8426054015. The cubic root of 23192340 is about 285.1772366327.

It can be divided in two parts, 23192 and 340, that added together give a palindrome (23532).

The spelling of 23192340 in words is "twenty-three million, one hundred ninety-two thousand, three hundred forty".