23381962 has 4 divisors (see below), whose sum is σ = 35072946. Its totient is φ = 11690980.

The previous prime is 23381929. The next prime is 23381993. The reversal of 23381962 is 26918332.

It is a happy number.

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., 23222761 + 159201 = 4819^2 + 399^2 .

It is a super-2 number, since 2×23381962² = 1093432293938888, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5845489 + ... + 5845492.

Almost surely, 2^23381962 is an apocalyptic number.

23381962 is a deficient number, since it is larger than the sum of its proper divisors (11690984).

23381962 is a wasteful number, since it uses less digits than its factorization.

23381962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11690983.

The product of its digits is 15552, while the sum is 34.

The square root of 23381962 is about 4835.4898407504. The cubic root of 23381962 is about 285.9523369151.

The spelling of 23381962 in words is "twenty-three million, three hundred eighty-one thousand, nine hundred sixty-two".