23940422 has 16 divisors (see below), whose sum is σ = 40087872. Its totient is φ = 10628520.

The previous prime is 23940421. The next prime is 23940451. The reversal of 23940422 is 22404932.

It is a junction number, because it is equal to n+sod(n) for n = 23940391 and 23940400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23940421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11708 + ... + 13599.

It is an arithmetic number, because the mean of its divisors is an integer number (2505492).

Almost surely, 2^23940422 is an apocalyptic number.

23940422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23940422 is a deficient number, since it is larger than the sum of its proper divisors (16147450).

23940422 is a wasteful number, since it uses less digits than its factorization.

23940422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25363.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 23940422 is about 4892.8950530335. The cubic root of 23940422 is about 288.2110319926.

The spelling of 23940422 in words is "twenty-three million, nine hundred forty thousand, four hundred twenty-two".