94423138 has 4 divisors (see below), whose sum is σ = 141634710. Its totient is φ = 47211568.

The previous prime is 94423093. The next prime is 94423171. The reversal of 94423138 is 83132449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83132449 = 199 ⋅417751.

It can be written as a sum of positive squares in only one way, i.e., 89813529 + 4609609 = 9477^2 + 2147^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23605783 + ... + 23605786.

Almost surely, 2^94423138 is an apocalyptic number.

94423138 is a deficient number, since it is larger than the sum of its proper divisors (47211572).

94423138 is a wasteful number, since it uses less digits than its factorization.

94423138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47211571.

The product of its digits is 20736, while the sum is 34.

The square root of 94423138 is about 9717.1568887201. The cubic root of 94423138 is about 455.3648211207.

The spelling of 94423138 in words is "ninety-four million, four hundred twenty-three thousand, one hundred thirty-eight".