23429642 has 16 divisors (see below), whose sum is σ = 35804160. Its totient is φ = 11496672.

The previous prime is 23429639. The next prime is 23429687. The reversal of 23429642 is 24692432.

It is a junction number, because it is equal to n+sod(n) for n = 23429599 and 23429608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55709 + ... + 56127.

It is an arithmetic number, because the mean of its divisors is an integer number (2237760).

Almost surely, 2^23429642 is an apocalyptic number.

23429642 is a deficient number, since it is larger than the sum of its proper divisors (12374518).

23429642 is a wasteful number, since it uses less digits than its factorization.

23429642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its digits is 20736, while the sum is 32.

The square root of 23429642 is about 4840.4175439728. The cubic root of 23429642 is about 286.1465742562.

The spelling of 23429642 in words is "twenty-three million, four hundred twenty-nine thousand, six hundred forty-two".