38923453 has 2 divisors, whose sum is σ = 38923454. Its totient is φ = 38923452.

The previous prime is 38923447. The next prime is 38923499. The reversal of 38923453 is 35432983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35070084 + 3853369 = 5922^2 + 1963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38923453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38923403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19461726 + 19461727.

It is an arithmetic number, because the mean of its divisors is an integer number (19461727).

Almost surely, 2^38923453 is an apocalyptic number.

It is an amenable number.

38923453 is a deficient number, since it is larger than the sum of its proper divisors (1).

38923453 is an equidigital number, since it uses as much as digits as its factorization.

38923453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 38923453 is about 6238.8663232995. The cubic root of 38923453 is about 338.8991297014.

The spelling of 38923453 in words is "thirty-eight million, nine hundred twenty-three thousand, four hundred fifty-three".