23430938 has 4 divisors (see below), whose sum is σ = 35146410. Its totient is φ = 11715468.

The previous prime is 23430919. The next prime is 23430949. The reversal of 23430938 is 83903432.

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., 22686169 + 744769 = 4763^2 + 863^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5857733 + ... + 5857736.

Almost surely, 2^23430938 is an apocalyptic number.

23430938 is a deficient number, since it is larger than the sum of its proper divisors (11715472).

23430938 is a wasteful number, since it uses less digits than its factorization.

23430938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11715471.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 23430938 is about 4840.5514148700. The cubic root of 23430938 is about 286.1518501814.

The spelling of 23430938 in words is "twenty-three million, four hundred thirty thousand, nine hundred thirty-eight".