38453231 has 2 divisors, whose sum is σ = 38453232. Its totient is φ = 38453230.

The previous prime is 38453227. The next prime is 38453257. The reversal of 38453231 is 13235483.

It is a weak prime.

It is an emirp because it is prime and its reverse (13235483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38453231 - 2² = 38453227 is a prime.

It is a super-2 number, since 2×38453231² = 2957301948678722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38453194 and 38453203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38453731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19226615 + 19226616.

It is an arithmetic number, because the mean of its divisors is an integer number (19226616).

Almost surely, 2^38453231 is an apocalyptic number.

38453231 is a deficient number, since it is larger than the sum of its proper divisors (1).

38453231 is an equidigital number, since it uses as much as digits as its factorization.

38453231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 38453231 is about 6201.0669243284. The cubic root of 38453231 is about 337.5288856850.

The spelling of 38453231 in words is "thirty-eight million, four hundred fifty-three thousand, two hundred thirty-one".