23723402 has 4 divisors (see below), whose sum is σ = 35585106. Its totient is φ = 11861700.

The previous prime is 23723393. The next prime is 23723417. The reversal of 23723402 is 20432732.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20802721 + 2920681 = 4561^2 + 1709^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5930849 + ... + 5930852.

Almost surely, 2^23723402 is an apocalyptic number.

23723402 is a deficient number, since it is larger than the sum of its proper divisors (11861704).

23723402 is a wasteful number, since it uses less digits than its factorization.

23723402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11861703.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 23723402 is about 4870.6675107217. The cubic root of 23723402 is about 287.3375091881.

The spelling of 23723402 in words is "twenty-three million, seven hundred twenty-three thousand, four hundred two".