23772338 has 4 divisors (see below), whose sum is σ = 35658510. Its totient is φ = 11886168.

The previous prime is 23772311. The next prime is 23772361. The reversal of 23772338 is 83327732.

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., 23396569 + 375769 = 4837^2 + 613^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23772298 and 23772307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5943083 + ... + 5943086.

Almost surely, 2^23772338 is an apocalyptic number.

23772338 is a deficient number, since it is larger than the sum of its proper divisors (11886172).

23772338 is a wasteful number, since it uses less digits than its factorization.

23772338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11886171.

The product of its digits is 42336, while the sum is 35.

The square root of 23772338 is about 4875.6884642069. The cubic root of 23772338 is about 287.5349442087.

The spelling of 23772338 in words is "twenty-three million, seven hundred seventy-two thousand, three hundred thirty-eight".