38538423 has 80 divisors (see below), whose sum is σ = 74156544. Its totient is φ = 19362240.

The previous prime is 38538421. The next prime is 38538427. The reversal of 38538423 is 32483583.

It is not a de Polignac number, because 38538423 - 2¹ = 38538421 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38538421) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 230686 + ... + 230852.

Almost surely, 2^38538423 is an apocalyptic number.

38538423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

38538423 is a deficient number, since it is larger than the sum of its proper divisors (35618121).

38538423 is a wasteful number, since it uses less digits than its factorization.

38538423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 225 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 38538423 is about 6207.9322644501. The cubic root of 38538423 is about 337.7779636001. Note that the first 3 decimals are identical.

The spelling of 38538423 in words is "thirty-eight million, five hundred thirty-eight thousand, four hundred twenty-three".