23074381 has 4 divisors (see below), whose sum is σ = 25172064. Its totient is φ = 20976700.

The previous prime is 23074367. The next prime is 23074393. The reversal of 23074381 is 18347032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23074381 is a prime.

It is a super-2 number, since 2×23074381² = 1064854117066322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23074301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048825 + ... + 1048846.

It is an arithmetic number, because the mean of its divisors is an integer number (6293016).

Almost surely, 2^23074381 is an apocalyptic number.

It is an amenable number.

23074381 is a deficient number, since it is larger than the sum of its proper divisors (2097683).

23074381 is a wasteful number, since it uses less digits than its factorization.

23074381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097682.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 23074381 is about 4803.5800191107. The cubic root of 23074381 is about 284.6929328442.

The spelling of 23074381 in words is "twenty-three million, seventy-four thousand, three hundred eighty-one".