23493742 has 8 divisors (see below), whose sum is σ = 36193176. Its totient is φ = 11429352.

The previous prime is 23493739. The next prime is 23493817. The reversal of 23493742 is 24739432.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23493698 and 23493707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158668 + ... + 158815.

It is an arithmetic number, because the mean of its divisors is an integer number (4524147).

Almost surely, 2^23493742 is an apocalyptic number.

23493742 is a deficient number, since it is larger than the sum of its proper divisors (12699434).

23493742 is a wasteful number, since it uses less digits than its factorization.

23493742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317522.

The product of its digits is 36288, while the sum is 34.

The square root of 23493742 is about 4847.0343510233. The cubic root of 23493742 is about 286.4072880676.

The spelling of 23493742 in words is "twenty-three million, four hundred ninety-three thousand, seven hundred forty-two".